Home / 8,729.60-12,046.96-4,750.82

Finding the Fourth Proportional to 8,729.60, 12,046.96 and 4,750.82

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Solution

The fourth proportional to 8,729.60, 12,046.96 and 4,750.82 is: 6,556.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.60 : 12,046.96 = 4,750.82 : x
  2. Step 2: Convert to fraction form
    8,729.60/12,046.96 = 4,750.82/x
  3. Step 3: Cross multiply
    8,729.60x = 12,046.96 × 4,750.82
  4. Step 4: Simplify right side
    8,729.60x = 57,232,938.51
  5. Step 5: Solve for x
    x = 57,232,938.51/8,729.60
  6. Step 6: Final answer
    x = 6,556.19

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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.