Home / 7,423.08-10,248.18-6,426.78

Finding the Fourth Proportional to 7,423.08, 10,248.18 and 6,426.78

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Solution

The fourth proportional to 7,423.08, 10,248.18 and 6,426.78 is: 8,872.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.08 : 10,248.18 = 6,426.78 : x
  2. Step 2: Convert to fraction form
    7,423.08/10,248.18 = 6,426.78/x
  3. Step 3: Cross multiply
    7,423.08x = 10,248.18 × 6,426.78
  4. Step 4: Simplify right side
    7,423.08x = 65,862,798.26
  5. Step 5: Solve for x
    x = 65,862,798.26/7,423.08
  6. Step 6: Final answer
    x = 8,872.70

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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.