Home / 13,304.11-18,360.49-7,335.77

Finding the Fourth Proportional to 13,304.11, 18,360.49 and 7,335.77

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Solution

The fourth proportional to 13,304.11, 18,360.49 and 7,335.77 is: 10,123.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.11 : 18,360.49 = 7,335.77 : x
  2. Step 2: Convert to fraction form
    13,304.11/18,360.49 = 7,335.77/x
  3. Step 3: Cross multiply
    13,304.11x = 18,360.49 × 7,335.77
  4. Step 4: Simplify right side
    13,304.11x = 134,688,239.92
  5. Step 5: Solve for x
    x = 134,688,239.92/13,304.11
  6. Step 6: Final answer
    x = 10,123.81

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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.