Home / 7,117.58-9,822.40-4,132.33

Finding the Fourth Proportional to 7,117.58, 9,822.40 and 4,132.33

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Solution

The fourth proportional to 7,117.58, 9,822.40 and 4,132.33 is: 5,702.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.58 : 9,822.40 = 4,132.33 : x
  2. Step 2: Convert to fraction form
    7,117.58/9,822.40 = 4,132.33/x
  3. Step 3: Cross multiply
    7,117.58x = 9,822.40 × 4,132.33
  4. Step 4: Simplify right side
    7,117.58x = 40,589,398.19
  5. Step 5: Solve for x
    x = 40,589,398.19/7,117.58
  6. Step 6: Final answer
    x = 5,702.70

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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.