Home / 11,154.81-15,373.35-10,834.95

Finding the Fourth Proportional to 11,154.81, 15,373.35 and 10,834.95

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Solution

The fourth proportional to 11,154.81, 15,373.35 and 10,834.95 is: 14,932.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.81 : 15,373.35 = 10,834.95 : x
  2. Step 2: Convert to fraction form
    11,154.81/15,373.35 = 10,834.95/x
  3. Step 3: Cross multiply
    11,154.81x = 15,373.35 × 10,834.95
  4. Step 4: Simplify right side
    11,154.81x = 166,569,478.58
  5. Step 5: Solve for x
    x = 166,569,478.58/11,154.81
  6. Step 6: Final answer
    x = 14,932.52

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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.