Home / 13,304.17-18,360.58-7,335.82

Finding the Fourth Proportional to 13,304.17, 18,360.58 and 7,335.82

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Solution

The fourth proportional to 13,304.17, 18,360.58 and 7,335.82 is: 10,123.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.17 : 18,360.58 = 7,335.82 : x
  2. Step 2: Convert to fraction form
    13,304.17/18,360.58 = 7,335.82/x
  3. Step 3: Cross multiply
    13,304.17x = 18,360.58 × 7,335.82
  4. Step 4: Simplify right side
    13,304.17x = 134,689,909.98
  5. Step 5: Solve for x
    x = 134,689,909.98/13,304.17
  6. Step 6: Final answer
    x = 10,123.89

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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.