Home / 10,606.08-15,909.12-4,756.80

Finding the Fourth Proportional to 10,606.08, 15,909.12 and 4,756.80

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Solution

The fourth proportional to 10,606.08, 15,909.12 and 4,756.80 is: 7,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,606.08 : 15,909.12 = 4,756.80 : x
  2. Step 2: Convert to fraction form
    10,606.08/15,909.12 = 4,756.80/x
  3. Step 3: Cross multiply
    10,606.08x = 15,909.12 × 4,756.80
  4. Step 4: Simplify right side
    10,606.08x = 75,676,502.02
  5. Step 5: Solve for x
    x = 75,676,502.02/10,606.08
  6. Step 6: Final answer
    x = 7,135.20

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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.