Home / 11,387.02-17,091.20-7,013.02

Finding the Fourth Proportional to 11,387.02, 17,091.20 and 7,013.02

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Solution

The fourth proportional to 11,387.02, 17,091.20 and 7,013.02 is: 10,526.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.02 : 17,091.20 = 7,013.02 : x
  2. Step 2: Convert to fraction form
    11,387.02/17,091.20 = 7,013.02/x
  3. Step 3: Cross multiply
    11,387.02x = 17,091.20 × 7,013.02
  4. Step 4: Simplify right side
    11,387.02x = 119,860,927.42
  5. Step 5: Solve for x
    x = 119,860,927.42/11,387.02
  6. Step 6: Final answer
    x = 10,526.10

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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.