Home / 7,335.36-11,001.60-2,718.72

Finding the Fourth Proportional to 7,335.36, 11,001.60 and 2,718.72

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Solution

The fourth proportional to 7,335.36, 11,001.60 and 2,718.72 is: 4,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.36 : 11,001.60 = 2,718.72 : x
  2. Step 2: Convert to fraction form
    7,335.36/11,001.60 = 2,718.72/x
  3. Step 3: Cross multiply
    7,335.36x = 11,001.60 × 2,718.72
  4. Step 4: Simplify right side
    7,335.36x = 29,910,269.95
  5. Step 5: Solve for x
    x = 29,910,269.95/7,335.36
  6. Step 6: Final answer
    x = 4,077.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.