Home / 10,113.04-15,169.02-3,187

Finding the Fourth Proportional to 10,113.04, 15,169.02 and 3,187

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Solution

The fourth proportional to 10,113.04, 15,169.02 and 3,187 is: 4,780.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.04 : 15,169.02 = 3,187 : x
  2. Step 2: Convert to fraction form
    10,113.04/15,169.02 = 3,187/x
  3. Step 3: Cross multiply
    10,113.04x = 15,169.02 × 3,187
  4. Step 4: Simplify right side
    10,113.04x = 48,343,666.74
  5. Step 5: Solve for x
    x = 48,343,666.74/10,113.04
  6. Step 6: Final answer
    x = 4,780.33

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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.