Home / 10,999.04-16,507.20-7,540.16

Finding the Fourth Proportional to 10,999.04, 16,507.20 and 7,540.16

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Solution

The fourth proportional to 10,999.04, 16,507.20 and 7,540.16 is: 11,316.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.04 : 16,507.20 = 7,540.16 : x
  2. Step 2: Convert to fraction form
    10,999.04/16,507.20 = 7,540.16/x
  3. Step 3: Cross multiply
    10,999.04x = 16,507.20 × 7,540.16
  4. Step 4: Simplify right side
    10,999.04x = 124,466,929.15
  5. Step 5: Solve for x
    x = 124,466,929.15/10,999.04
  6. Step 6: Final answer
    x = 11,316.16

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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.