Home / 10,616.72-15,926.52-3,690.32

Finding the Fourth Proportional to 10,616.72, 15,926.52 and 3,690.32

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Solution

The fourth proportional to 10,616.72, 15,926.52 and 3,690.32 is: 5,535.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,616.72 : 15,926.52 = 3,690.32 : x
  2. Step 2: Convert to fraction form
    10,616.72/15,926.52 = 3,690.32/x
  3. Step 3: Cross multiply
    10,616.72x = 15,926.52 × 3,690.32
  4. Step 4: Simplify right side
    10,616.72x = 58,773,955.29
  5. Step 5: Solve for x
    x = 58,773,955.29/10,616.72
  6. Step 6: Final answer
    x = 5,535.98

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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.