Home / 11,422.48-15,760.56-6,705.52

Finding the Fourth Proportional to 11,422.48, 15,760.56 and 6,705.52

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Solution

The fourth proportional to 11,422.48, 15,760.56 and 6,705.52 is: 9,252.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,422.48 : 15,760.56 = 6,705.52 : x
  2. Step 2: Convert to fraction form
    11,422.48/15,760.56 = 6,705.52/x
  3. Step 3: Cross multiply
    11,422.48x = 15,760.56 × 6,705.52
  4. Step 4: Simplify right side
    11,422.48x = 105,682,750.29
  5. Step 5: Solve for x
    x = 105,682,750.29/11,422.48
  6. Step 6: Final answer
    x = 9,252.17

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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.