Home / 8,785.23-12,124.16-5,060.43

Finding the Fourth Proportional to 8,785.23, 12,124.16 and 5,060.43

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Solution

The fourth proportional to 8,785.23, 12,124.16 and 5,060.43 is: 6,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.23 : 12,124.16 = 5,060.43 : x
  2. Step 2: Convert to fraction form
    8,785.23/12,124.16 = 5,060.43/x
  3. Step 3: Cross multiply
    8,785.23x = 12,124.16 × 5,060.43
  4. Step 4: Simplify right side
    8,785.23x = 61,353,437.69
  5. Step 5: Solve for x
    x = 61,353,437.69/8,785.23
  6. Step 6: Final answer
    x = 6,983.70

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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.