Home / 11,306.64-15,610.86-7,059.36

Finding the Fourth Proportional to 11,306.64, 15,610.86 and 7,059.36

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Solution

The fourth proportional to 11,306.64, 15,610.86 and 7,059.36 is: 9,746.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.64 : 15,610.86 = 7,059.36 : x
  2. Step 2: Convert to fraction form
    11,306.64/15,610.86 = 7,059.36/x
  3. Step 3: Cross multiply
    11,306.64x = 15,610.86 × 7,059.36
  4. Step 4: Simplify right side
    11,306.64x = 110,202,680.65
  5. Step 5: Solve for x
    x = 110,202,680.65/11,306.64
  6. Step 6: Final answer
    x = 9,746.72

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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.