Home / 10,790.47-16,167.88-4,934.17

Finding the Fourth Proportional to 10,790.47, 16,167.88 and 4,934.17

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Solution

The fourth proportional to 10,790.47, 16,167.88 and 4,934.17 is: 7,393.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.47 : 16,167.88 = 4,934.17 : x
  2. Step 2: Convert to fraction form
    10,790.47/16,167.88 = 4,934.17/x
  3. Step 3: Cross multiply
    10,790.47x = 16,167.88 × 4,934.17
  4. Step 4: Simplify right side
    10,790.47x = 79,774,990.02
  5. Step 5: Solve for x
    x = 79,774,990.02/10,790.47
  6. Step 6: Final answer
    x = 7,393.10

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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.