Home / 7,191.01-10,772.68-4,409.57

Finding the Fourth Proportional to 7,191.01, 10,772.68 and 4,409.57

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Solution

The fourth proportional to 7,191.01, 10,772.68 and 4,409.57 is: 6,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.01 : 10,772.68 = 4,409.57 : x
  2. Step 2: Convert to fraction form
    7,191.01/10,772.68 = 4,409.57/x
  3. Step 3: Cross multiply
    7,191.01x = 10,772.68 × 4,409.57
  4. Step 4: Simplify right side
    7,191.01x = 47,502,886.55
  5. Step 5: Solve for x
    x = 47,502,886.55/7,191.01
  6. Step 6: Final answer
    x = 6,605.87

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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.