Home / 7,801.12-10,765.78-4,264.52

Finding the Fourth Proportional to 7,801.12, 10,765.78 and 4,264.52

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Solution

The fourth proportional to 7,801.12, 10,765.78 and 4,264.52 is: 5,885.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.12 : 10,765.78 = 4,264.52 : x
  2. Step 2: Convert to fraction form
    7,801.12/10,765.78 = 4,264.52/x
  3. Step 3: Cross multiply
    7,801.12x = 10,765.78 × 4,264.52
  4. Step 4: Simplify right side
    7,801.12x = 45,910,884.13
  5. Step 5: Solve for x
    x = 45,910,884.13/7,801.12
  6. Step 6: Final answer
    x = 5,885.17

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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.