Home / 10,191.99-15,273.81-4,631.76

Finding the Fourth Proportional to 10,191.99, 15,273.81 and 4,631.76

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Solution

The fourth proportional to 10,191.99, 15,273.81 and 4,631.76 is: 6,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.99 : 15,273.81 = 4,631.76 : x
  2. Step 2: Convert to fraction form
    10,191.99/15,273.81 = 4,631.76/x
  3. Step 3: Cross multiply
    10,191.99x = 15,273.81 × 4,631.76
  4. Step 4: Simplify right side
    10,191.99x = 70,744,622.21
  5. Step 5: Solve for x
    x = 70,744,622.21/10,191.99
  6. Step 6: Final answer
    x = 6,941.20

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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.