Home / 7,048.28-9,726.56-4,216.92

Finding the Fourth Proportional to 7,048.28, 9,726.56 and 4,216.92

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Solution

The fourth proportional to 7,048.28, 9,726.56 and 4,216.92 is: 5,819.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.28 : 9,726.56 = 4,216.92 : x
  2. Step 2: Convert to fraction form
    7,048.28/9,726.56 = 4,216.92/x
  3. Step 3: Cross multiply
    7,048.28x = 9,726.56 × 4,216.92
  4. Step 4: Simplify right side
    7,048.28x = 41,016,125.40
  5. Step 5: Solve for x
    x = 41,016,125.40/7,048.28
  6. Step 6: Final answer
    x = 5,819.31

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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.