Home / 10,115.04-15,179.44-6,207.52

Finding the Fourth Proportional to 10,115.04, 15,179.44 and 6,207.52

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Solution

The fourth proportional to 10,115.04, 15,179.44 and 6,207.52 is: 9,315.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115.04 : 15,179.44 = 6,207.52 : x
  2. Step 2: Convert to fraction form
    10,115.04/15,179.44 = 6,207.52/x
  3. Step 3: Cross multiply
    10,115.04x = 15,179.44 × 6,207.52
  4. Step 4: Simplify right side
    10,115.04x = 94,226,677.39
  5. Step 5: Solve for x
    x = 94,226,677.39/10,115.04
  6. Step 6: Final answer
    x = 9,315.50

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1.5x scale

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.