Home / 12,113.42-18,177.29-6,566.63

Finding the Fourth Proportional to 12,113.42, 18,177.29 and 6,566.63

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Solution

The fourth proportional to 12,113.42, 18,177.29 and 6,566.63 is: 9,853.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.42 : 18,177.29 = 6,566.63 : x
  2. Step 2: Convert to fraction form
    12,113.42/18,177.29 = 6,566.63/x
  3. Step 3: Cross multiply
    12,113.42x = 18,177.29 × 6,566.63
  4. Step 4: Simplify right side
    12,113.42x = 119,363,505.00
  5. Step 5: Solve for x
    x = 119,363,505.00/12,113.42
  6. Step 6: Final answer
    x = 9,853.82

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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.