Home / 10,045.81-13,862.28-5,569.18

Finding the Fourth Proportional to 10,045.81, 13,862.28 and 5,569.18

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Solution

The fourth proportional to 10,045.81, 13,862.28 and 5,569.18 is: 7,684.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,045.81 : 13,862.28 = 5,569.18 : x
  2. Step 2: Convert to fraction form
    10,045.81/13,862.28 = 5,569.18/x
  3. Step 3: Cross multiply
    10,045.81x = 13,862.28 × 5,569.18
  4. Step 4: Simplify right side
    10,045.81x = 77,201,487.43
  5. Step 5: Solve for x
    x = 77,201,487.43/10,045.81
  6. Step 6: Final answer
    x = 7,684.95

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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.