Home / 8,412.81-11,610.18-4,635.97

Finding the Fourth Proportional to 8,412.81, 11,610.18 and 4,635.97

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Solution

The fourth proportional to 8,412.81, 11,610.18 and 4,635.97 is: 6,397.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.81 : 11,610.18 = 4,635.97 : x
  2. Step 2: Convert to fraction form
    8,412.81/11,610.18 = 4,635.97/x
  3. Step 3: Cross multiply
    8,412.81x = 11,610.18 × 4,635.97
  4. Step 4: Simplify right side
    8,412.81x = 53,824,428.74
  5. Step 5: Solve for x
    x = 53,824,428.74/8,412.81
  6. Step 6: Final answer
    x = 6,397.92

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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.