Home / 10,040.28-13,854.96-5,563.77

Finding the Fourth Proportional to 10,040.28, 13,854.96 and 5,563.77

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Solution

The fourth proportional to 10,040.28, 13,854.96 and 5,563.77 is: 7,677.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.28 : 13,854.96 = 5,563.77 : x
  2. Step 2: Convert to fraction form
    10,040.28/13,854.96 = 5,563.77/x
  3. Step 3: Cross multiply
    10,040.28x = 13,854.96 × 5,563.77
  4. Step 4: Simplify right side
    10,040.28x = 77,085,810.80
  5. Step 5: Solve for x
    x = 77,085,810.80/10,040.28
  6. Step 6: Final answer
    x = 7,677.66

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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.