Home / 10,313.20-15,535.51-9,416.53

Finding the Fourth Proportional to 10,313.20, 15,535.51 and 9,416.53

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Solution

The fourth proportional to 10,313.20, 15,535.51 and 9,416.53 is: 14,184.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,313.20 : 15,535.51 = 9,416.53 : x
  2. Step 2: Convert to fraction form
    10,313.20/15,535.51 = 9,416.53/x
  3. Step 3: Cross multiply
    10,313.20x = 15,535.51 × 9,416.53
  4. Step 4: Simplify right side
    10,313.20x = 146,290,595.98
  5. Step 5: Solve for x
    x = 146,290,595.98/10,313.20
  6. Step 6: Final answer
    x = 14,184.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.