Home / 10,045.96-13,863.44-5,569.76

Finding the Fourth Proportional to 10,045.96, 13,863.44 and 5,569.76

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Solution

The fourth proportional to 10,045.96, 13,863.44 and 5,569.76 is: 7,686.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,045.96 : 13,863.44 = 5,569.76 : x
  2. Step 2: Convert to fraction form
    10,045.96/13,863.44 = 5,569.76/x
  3. Step 3: Cross multiply
    10,045.96x = 13,863.44 × 5,569.76
  4. Step 4: Simplify right side
    10,045.96x = 77,216,033.57
  5. Step 5: Solve for x
    x = 77,216,033.57/10,045.96
  6. Step 6: Final answer
    x = 7,686.28

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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.