Home / 9,199.53-12,700.08-5,423.92

Finding the Fourth Proportional to 9,199.53, 12,700.08 and 5,423.92

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Solution

The fourth proportional to 9,199.53, 12,700.08 and 5,423.92 is: 7,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199.53 : 12,700.08 = 5,423.92 : x
  2. Step 2: Convert to fraction form
    9,199.53/12,700.08 = 5,423.92/x
  3. Step 3: Cross multiply
    9,199.53x = 12,700.08 × 5,423.92
  4. Step 4: Simplify right side
    9,199.53x = 68,884,186.16
  5. Step 5: Solve for x
    x = 68,884,186.16/9,199.53
  6. Step 6: Final answer
    x = 7,487.79

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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.