Home / 10,107.09-13,948.20-5,569.97

Finding the Fourth Proportional to 10,107.09, 13,948.20 and 5,569.97

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Solution

The fourth proportional to 10,107.09, 13,948.20 and 5,569.97 is: 7,686.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.09 : 13,948.20 = 5,569.97 : x
  2. Step 2: Convert to fraction form
    10,107.09/13,948.20 = 5,569.97/x
  3. Step 3: Cross multiply
    10,107.09x = 13,948.20 × 5,569.97
  4. Step 4: Simplify right side
    10,107.09x = 77,690,985.81
  5. Step 5: Solve for x
    x = 77,690,985.81/10,107.09
  6. Step 6: Final answer
    x = 7,686.78

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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.