Home / 10,952.20-16,389.40-6,312.52

Finding the Fourth Proportional to 10,952.20, 16,389.40 and 6,312.52

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Solution

The fourth proportional to 10,952.20, 16,389.40 and 6,312.52 is: 9,446.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,952.20 : 16,389.40 = 6,312.52 : x
  2. Step 2: Convert to fraction form
    10,952.20/16,389.40 = 6,312.52/x
  3. Step 3: Cross multiply
    10,952.20x = 16,389.40 × 6,312.52
  4. Step 4: Simplify right side
    10,952.20x = 103,458,415.29
  5. Step 5: Solve for x
    x = 103,458,415.29/10,952.20
  6. Step 6: Final answer
    x = 9,446.36

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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.