Home / 7,765.47-11,646.57-2,500.95

Finding the Fourth Proportional to 7,765.47, 11,646.57 and 2,500.95

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Solution

The fourth proportional to 7,765.47, 11,646.57 and 2,500.95 is: 3,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765.47 : 11,646.57 = 2,500.95 : x
  2. Step 2: Convert to fraction form
    7,765.47/11,646.57 = 2,500.95/x
  3. Step 3: Cross multiply
    7,765.47x = 11,646.57 × 2,500.95
  4. Step 4: Simplify right side
    7,765.47x = 29,127,506.02
  5. Step 5: Solve for x
    x = 29,127,506.02/7,765.47
  6. Step 6: Final answer
    x = 3,750.90

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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.