Home / 10,514.28-14,499.90-6,974.04

Finding the Fourth Proportional to 10,514.28, 14,499.90 and 6,974.04

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Solution

The fourth proportional to 10,514.28, 14,499.90 and 6,974.04 is: 9,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514.28 : 14,499.90 = 6,974.04 : x
  2. Step 2: Convert to fraction form
    10,514.28/14,499.90 = 6,974.04/x
  3. Step 3: Cross multiply
    10,514.28x = 14,499.90 × 6,974.04
  4. Step 4: Simplify right side
    10,514.28x = 101,122,882.60
  5. Step 5: Solve for x
    x = 101,122,882.60/10,514.28
  6. Step 6: Final answer
    x = 9,617.67

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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.