Home / 8,729.15-12,045.86-4,750.03

Finding the Fourth Proportional to 8,729.15, 12,045.86 and 4,750.03

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Solution

The fourth proportional to 8,729.15, 12,045.86 and 4,750.03 is: 6,554.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.15 : 12,045.86 = 4,750.03 : x
  2. Step 2: Convert to fraction form
    8,729.15/12,045.86 = 4,750.03/x
  3. Step 3: Cross multiply
    8,729.15x = 12,045.86 × 4,750.03
  4. Step 4: Simplify right side
    8,729.15x = 57,218,196.38
  5. Step 5: Solve for x
    x = 57,218,196.38/8,729.15
  6. Step 6: Final answer
    x = 6,554.84

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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.