Home / 12,413.46-17,130.57-7,108.26

Finding the Fourth Proportional to 12,413.46, 17,130.57 and 7,108.26

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Solution

The fourth proportional to 12,413.46, 17,130.57 and 7,108.26 is: 9,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413.46 : 17,130.57 = 7,108.26 : x
  2. Step 2: Convert to fraction form
    12,413.46/17,130.57 = 7,108.26/x
  3. Step 3: Cross multiply
    12,413.46x = 17,130.57 × 7,108.26
  4. Step 4: Simplify right side
    12,413.46x = 121,768,545.51
  5. Step 5: Solve for x
    x = 121,768,545.51/12,413.46
  6. Step 6: Final answer
    x = 9,809.40

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Half scale
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Double scale
Find fourth proportional to 12,414.46, 17,131.95 and 7,109.26
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.