Home / 10,167.60-15,240.48-6,646.56

Finding the Fourth Proportional to 10,167.60, 15,240.48 and 6,646.56

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Solution

The fourth proportional to 10,167.60, 15,240.48 and 6,646.56 is: 9,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.60 : 15,240.48 = 6,646.56 : x
  2. Step 2: Convert to fraction form
    10,167.60/15,240.48 = 6,646.56/x
  3. Step 3: Cross multiply
    10,167.60x = 15,240.48 × 6,646.56
  4. Step 4: Simplify right side
    10,167.60x = 101,296,764.75
  5. Step 5: Solve for x
    x = 101,296,764.75/10,167.60
  6. Step 6: Final answer
    x = 9,962.70

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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.