Home / 10,066.30-15,100.80-4,221.52

Finding the Fourth Proportional to 10,066.30, 15,100.80 and 4,221.52

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Solution

The fourth proportional to 10,066.30, 15,100.80 and 4,221.52 is: 6,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,066.30 : 15,100.80 = 4,221.52 : x
  2. Step 2: Convert to fraction form
    10,066.30/15,100.80 = 4,221.52/x
  3. Step 3: Cross multiply
    10,066.30x = 15,100.80 × 4,221.52
  4. Step 4: Simplify right side
    10,066.30x = 63,748,329.22
  5. Step 5: Solve for x
    x = 63,748,329.22/10,066.30
  6. Step 6: Final answer
    x = 6,332.85

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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.