Home / 8,769.29-12,101.45-4,790.43

Finding the Fourth Proportional to 8,769.29, 12,101.45 and 4,790.43

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Solution

The fourth proportional to 8,769.29, 12,101.45 and 4,790.43 is: 6,610.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.29 : 12,101.45 = 4,790.43 : x
  2. Step 2: Convert to fraction form
    8,769.29/12,101.45 = 4,790.43/x
  3. Step 3: Cross multiply
    8,769.29x = 12,101.45 × 4,790.43
  4. Step 4: Simplify right side
    8,769.29x = 57,971,125.17
  5. Step 5: Solve for x
    x = 57,971,125.17/8,769.29
  6. Step 6: Final answer
    x = 6,610.70

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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.