Home / 10,605.52-15,913.75-4,370.14

Finding the Fourth Proportional to 10,605.52, 15,913.75 and 4,370.14

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Solution

The fourth proportional to 10,605.52, 15,913.75 and 4,370.14 is: 6,557.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,605.52 : 15,913.75 = 4,370.14 : x
  2. Step 2: Convert to fraction form
    10,605.52/15,913.75 = 4,370.14/x
  3. Step 3: Cross multiply
    10,605.52x = 15,913.75 × 4,370.14
  4. Step 4: Simplify right side
    10,605.52x = 69,545,315.43
  5. Step 5: Solve for x
    x = 69,545,315.43/10,605.52
  6. Step 6: Final answer
    x = 6,557.46

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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.