Home / 8,569.53-11,821.82-5,386.77

Finding the Fourth Proportional to 8,569.53, 11,821.82 and 5,386.77

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Solution

The fourth proportional to 8,569.53, 11,821.82 and 5,386.77 is: 7,431.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.53 : 11,821.82 = 5,386.77 : x
  2. Step 2: Convert to fraction form
    8,569.53/11,821.82 = 5,386.77/x
  3. Step 3: Cross multiply
    8,569.53x = 11,821.82 × 5,386.77
  4. Step 4: Simplify right side
    8,569.53x = 63,681,398.39
  5. Step 5: Solve for x
    x = 63,681,398.39/8,569.53
  6. Step 6: Final answer
    x = 7,431.14

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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.