Home / 8,670.14-11,964.80-4,691.24

Finding the Fourth Proportional to 8,670.14, 11,964.80 and 4,691.24

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Solution

The fourth proportional to 8,670.14, 11,964.80 and 4,691.24 is: 6,473.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670.14 : 11,964.80 = 4,691.24 : x
  2. Step 2: Convert to fraction form
    8,670.14/11,964.80 = 4,691.24/x
  3. Step 3: Cross multiply
    8,670.14x = 11,964.80 × 4,691.24
  4. Step 4: Simplify right side
    8,670.14x = 56,129,752.39
  5. Step 5: Solve for x
    x = 56,129,752.39/8,670.14
  6. Step 6: Final answer
    x = 6,473.92

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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.