Home / 10,854.56-16,281.12-6,499.04

Finding the Fourth Proportional to 10,854.56, 16,281.12 and 6,499.04

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Solution

The fourth proportional to 10,854.56, 16,281.12 and 6,499.04 is: 9,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,854.56 : 16,281.12 = 6,499.04 : x
  2. Step 2: Convert to fraction form
    10,854.56/16,281.12 = 6,499.04/x
  3. Step 3: Cross multiply
    10,854.56x = 16,281.12 × 6,499.04
  4. Step 4: Simplify right side
    10,854.56x = 105,811,650.12
  5. Step 5: Solve for x
    x = 105,811,650.12/10,854.56
  6. Step 6: Final answer
    x = 9,748.13

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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.