Home / 9,312.76-13,964.58-5,418.52

Finding the Fourth Proportional to 9,312.76, 13,964.58 and 5,418.52

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Solution

The fourth proportional to 9,312.76, 13,964.58 and 5,418.52 is: 8,125.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.76 : 13,964.58 = 5,418.52 : x
  2. Step 2: Convert to fraction form
    9,312.76/13,964.58 = 5,418.52/x
  3. Step 3: Cross multiply
    9,312.76x = 13,964.58 × 5,418.52
  4. Step 4: Simplify right side
    9,312.76x = 75,667,356.02
  5. Step 5: Solve for x
    x = 75,667,356.02/9,312.76
  6. Step 6: Final answer
    x = 8,125.13

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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.