Home / 7,312.76-10,091.66-4,169.15

Finding the Fourth Proportional to 7,312.76, 10,091.66 and 4,169.15

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Solution

The fourth proportional to 7,312.76, 10,091.66 and 4,169.15 is: 5,753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.76 : 10,091.66 = 4,169.15 : x
  2. Step 2: Convert to fraction form
    7,312.76/10,091.66 = 4,169.15/x
  3. Step 3: Cross multiply
    7,312.76x = 10,091.66 × 4,169.15
  4. Step 4: Simplify right side
    7,312.76x = 42,073,604.25
  5. Step 5: Solve for x
    x = 42,073,604.25/7,312.76
  6. Step 6: Final answer
    x = 5,753.45

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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.