Home / 9,150.57-12,618.99-7,551.63

Finding the Fourth Proportional to 9,150.57, 12,618.99 and 7,551.63

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Solution

The fourth proportional to 9,150.57, 12,618.99 and 7,551.63 is: 10,413.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.57 : 12,618.99 = 7,551.63 : x
  2. Step 2: Convert to fraction form
    9,150.57/12,618.99 = 7,551.63/x
  3. Step 3: Cross multiply
    9,150.57x = 12,618.99 × 7,551.63
  4. Step 4: Simplify right side
    9,150.57x = 95,293,943.45
  5. Step 5: Solve for x
    x = 95,293,943.45/9,150.57
  6. Step 6: Final answer
    x = 10,413.99

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Double scale
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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.