Home / 11,110.87-15,332.38-6,074.16

Finding the Fourth Proportional to 11,110.87, 15,332.38 and 6,074.16

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Solution

The fourth proportional to 11,110.87, 15,332.38 and 6,074.16 is: 8,381.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.87 : 15,332.38 = 6,074.16 : x
  2. Step 2: Convert to fraction form
    11,110.87/15,332.38 = 6,074.16/x
  3. Step 3: Cross multiply
    11,110.87x = 15,332.38 × 6,074.16
  4. Step 4: Simplify right side
    11,110.87x = 93,131,275.78
  5. Step 5: Solve for x
    x = 93,131,275.78/11,110.87
  6. Step 6: Final answer
    x = 8,381.99

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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.