Home / 7,756.68-11,630.61-5,294.48

Finding the Fourth Proportional to 7,756.68, 11,630.61 and 5,294.48

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Solution

The fourth proportional to 7,756.68, 11,630.61 and 5,294.48 is: 7,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.68 : 11,630.61 = 5,294.48 : x
  2. Step 2: Convert to fraction form
    7,756.68/11,630.61 = 5,294.48/x
  3. Step 3: Cross multiply
    7,756.68x = 11,630.61 × 5,294.48
  4. Step 4: Simplify right side
    7,756.68x = 61,577,947.41
  5. Step 5: Solve for x
    x = 61,577,947.41/7,756.68
  6. Step 6: Final answer
    x = 7,938.70

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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.