Home / 10,413.04-14,370-5,697.28

Finding the Fourth Proportional to 10,413.04, 14,370 and 5,697.28

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Solution

The fourth proportional to 10,413.04, 14,370 and 5,697.28 is: 7,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.04 : 14,370 = 5,697.28 : x
  2. Step 2: Convert to fraction form
    10,413.04/14,370 = 5,697.28/x
  3. Step 3: Cross multiply
    10,413.04x = 14,370 × 5,697.28
  4. Step 4: Simplify right side
    10,413.04x = 81,869,913.60
  5. Step 5: Solve for x
    x = 81,869,913.60/10,413.04
  6. Step 6: Final answer
    x = 7,862.25

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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.