Home / 7,899.47-10,901.20-4,362.61

Finding the Fourth Proportional to 7,899.47, 10,901.20 and 4,362.61

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Solution

The fourth proportional to 7,899.47, 10,901.20 and 4,362.61 is: 6,020.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.47 : 10,901.20 = 4,362.61 : x
  2. Step 2: Convert to fraction form
    7,899.47/10,901.20 = 4,362.61/x
  3. Step 3: Cross multiply
    7,899.47x = 10,901.20 × 4,362.61
  4. Step 4: Simplify right side
    7,899.47x = 47,557,693.00
  5. Step 5: Solve for x
    x = 47,557,693.00/7,899.47
  6. Step 6: Final answer
    x = 6,020.36

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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.