Home / 10,235.61-15,273.59-9,132.39

Finding the Fourth Proportional to 10,235.61, 15,273.59 and 9,132.39

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Solution

The fourth proportional to 10,235.61, 15,273.59 and 9,132.39 is: 13,627.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,235.61 : 15,273.59 = 9,132.39 : x
  2. Step 2: Convert to fraction form
    10,235.61/15,273.59 = 9,132.39/x
  3. Step 3: Cross multiply
    10,235.61x = 15,273.59 × 9,132.39
  4. Step 4: Simplify right side
    10,235.61x = 139,484,334.92
  5. Step 5: Solve for x
    x = 139,484,334.92/10,235.61
  6. Step 6: Final answer
    x = 13,627.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.