Home / 7,479.76-10,316.01-6,581.56

Finding the Fourth Proportional to 7,479.76, 10,316.01 and 6,581.56

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Solution

The fourth proportional to 7,479.76, 10,316.01 and 6,581.56 is: 9,077.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.76 : 10,316.01 = 6,581.56 : x
  2. Step 2: Convert to fraction form
    7,479.76/10,316.01 = 6,581.56/x
  3. Step 3: Cross multiply
    7,479.76x = 10,316.01 × 6,581.56
  4. Step 4: Simplify right side
    7,479.76x = 67,895,438.78
  5. Step 5: Solve for x
    x = 67,895,438.78/7,479.76
  6. Step 6: Final answer
    x = 9,077.22

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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.