Home / 11,063.50-15,280.59-7,331.02

Finding the Fourth Proportional to 11,063.50, 15,280.59 and 7,331.02

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Solution

The fourth proportional to 11,063.50, 15,280.59 and 7,331.02 is: 10,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,063.50 : 15,280.59 = 7,331.02 : x
  2. Step 2: Convert to fraction form
    11,063.50/15,280.59 = 7,331.02/x
  3. Step 3: Cross multiply
    11,063.50x = 15,280.59 × 7,331.02
  4. Step 4: Simplify right side
    11,063.50x = 112,022,310.90
  5. Step 5: Solve for x
    x = 112,022,310.90/11,063.50
  6. Step 6: Final answer
    x = 10,125.40

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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.