Home / 9,985.02-14,965.56-4,432.11

Finding the Fourth Proportional to 9,985.02, 14,965.56 and 4,432.11

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Solution

The fourth proportional to 9,985.02, 14,965.56 and 4,432.11 is: 6,642.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985.02 : 14,965.56 = 4,432.11 : x
  2. Step 2: Convert to fraction form
    9,985.02/14,965.56 = 4,432.11/x
  3. Step 3: Cross multiply
    9,985.02x = 14,965.56 × 4,432.11
  4. Step 4: Simplify right side
    9,985.02x = 66,329,008.13
  5. Step 5: Solve for x
    x = 66,329,008.13/9,985.02
  6. Step 6: Final answer
    x = 6,642.85

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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.