Home / 10,133.38-13,981.71-5,885.11

Finding the Fourth Proportional to 10,133.38, 13,981.71 and 5,885.11

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Solution

The fourth proportional to 10,133.38, 13,981.71 and 5,885.11 is: 8,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.38 : 13,981.71 = 5,885.11 : x
  2. Step 2: Convert to fraction form
    10,133.38/13,981.71 = 5,885.11/x
  3. Step 3: Cross multiply
    10,133.38x = 13,981.71 × 5,885.11
  4. Step 4: Simplify right side
    10,133.38x = 82,283,901.34
  5. Step 5: Solve for x
    x = 82,283,901.34/10,133.38
  6. Step 6: Final answer
    x = 8,120.08

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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.