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Finding the Fourth Proportional to 10,348.08, 15,485.04 and 8,966.16

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Solution

The fourth proportional to 10,348.08, 15,485.04 and 8,966.16 is: 13,417.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.08 : 15,485.04 = 8,966.16 : x
  2. Step 2: Convert to fraction form
    10,348.08/15,485.04 = 8,966.16/x
  3. Step 3: Cross multiply
    10,348.08x = 15,485.04 × 8,966.16
  4. Step 4: Simplify right side
    10,348.08x = 138,841,346.25
  5. Step 5: Solve for x
    x = 138,841,346.25/10,348.08
  6. Step 6: Final answer
    x = 13,417.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.