Home / 10,082.60-15,117.42-4,814.76

Finding the Fourth Proportional to 10,082.60, 15,117.42 and 4,814.76

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Solution

The fourth proportional to 10,082.60, 15,117.42 and 4,814.76 is: 7,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,082.60 : 15,117.42 = 4,814.76 : x
  2. Step 2: Convert to fraction form
    10,082.60/15,117.42 = 4,814.76/x
  3. Step 3: Cross multiply
    10,082.60x = 15,117.42 × 4,814.76
  4. Step 4: Simplify right side
    10,082.60x = 72,786,749.12
  5. Step 5: Solve for x
    x = 72,786,749.12/10,082.60
  6. Step 6: Final answer
    x = 7,219.05

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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.