Home / 10,985.97-15,158.02-6,206.01

Finding the Fourth Proportional to 10,985.97, 15,158.02 and 6,206.01

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Solution

The fourth proportional to 10,985.97, 15,158.02 and 6,206.01 is: 8,562.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.97 : 15,158.02 = 6,206.01 : x
  2. Step 2: Convert to fraction form
    10,985.97/15,158.02 = 6,206.01/x
  3. Step 3: Cross multiply
    10,985.97x = 15,158.02 × 6,206.01
  4. Step 4: Simplify right side
    10,985.97x = 94,070,823.70
  5. Step 5: Solve for x
    x = 94,070,823.70/10,985.97
  6. Step 6: Final answer
    x = 8,562.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.