Home / 8,497.40-11,721.66-5,348.12

Finding the Fourth Proportional to 8,497.40, 11,721.66 and 5,348.12

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Solution

The fourth proportional to 8,497.40, 11,721.66 and 5,348.12 is: 7,377.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,497.40 : 11,721.66 = 5,348.12 : x
  2. Step 2: Convert to fraction form
    8,497.40/11,721.66 = 5,348.12/x
  3. Step 3: Cross multiply
    8,497.40x = 11,721.66 × 5,348.12
  4. Step 4: Simplify right side
    8,497.40x = 62,688,844.28
  5. Step 5: Solve for x
    x = 62,688,844.28/8,497.40
  6. Step 6: Final answer
    x = 7,377.41

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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.