Home / 31,508.13-47,263.11-11,782.92

Finding the Fourth Proportional to 31,508.13, 47,263.11 and 11,782.92

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Solution

The fourth proportional to 31,508.13, 47,263.11 and 11,782.92 is: 17,674.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,508.13 : 47,263.11 = 11,782.92 : x
  2. Step 2: Convert to fraction form
    31,508.13/47,263.11 = 11,782.92/x
  3. Step 3: Cross multiply
    31,508.13x = 47,263.11 × 11,782.92
  4. Step 4: Simplify right side
    31,508.13x = 556,897,444.08
  5. Step 5: Solve for x
    x = 556,897,444.08/31,508.13
  6. Step 6: Final answer
    x = 17,674.72

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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.