Home / 10,400.29-14,352.41-5,684.57

Finding the Fourth Proportional to 10,400.29, 14,352.41 and 5,684.57

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Solution

The fourth proportional to 10,400.29, 14,352.41 and 5,684.57 is: 7,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.29 : 14,352.41 = 5,684.57 : x
  2. Step 2: Convert to fraction form
    10,400.29/14,352.41 = 5,684.57/x
  3. Step 3: Cross multiply
    10,400.29x = 14,352.41 × 5,684.57
  4. Step 4: Simplify right side
    10,400.29x = 81,587,329.41
  5. Step 5: Solve for x
    x = 81,587,329.41/10,400.29
  6. Step 6: Final answer
    x = 7,844.72

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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.