Home / 10,887.13-15,022.69-6,170.50

Finding the Fourth Proportional to 10,887.13, 15,022.69 and 6,170.50

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Solution

The fourth proportional to 10,887.13, 15,022.69 and 6,170.50 is: 8,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.13 : 15,022.69 = 6,170.50 : x
  2. Step 2: Convert to fraction form
    10,887.13/15,022.69 = 6,170.50/x
  3. Step 3: Cross multiply
    10,887.13x = 15,022.69 × 6,170.50
  4. Step 4: Simplify right side
    10,887.13x = 92,697,508.65
  5. Step 5: Solve for x
    x = 92,697,508.65/10,887.13
  6. Step 6: Final answer
    x = 8,514.41

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1.5x scale

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.