Home / 10,400.28-14,352.45-5,684.58

Finding the Fourth Proportional to 10,400.28, 14,352.45 and 5,684.58

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Solution

The fourth proportional to 10,400.28, 14,352.45 and 5,684.58 is: 7,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.28 : 14,352.45 = 5,684.58 : x
  2. Step 2: Convert to fraction form
    10,400.28/14,352.45 = 5,684.58/x
  3. Step 3: Cross multiply
    10,400.28x = 14,352.45 × 5,684.58
  4. Step 4: Simplify right side
    10,400.28x = 81,587,650.22
  5. Step 5: Solve for x
    x = 81,587,650.22/10,400.28
  6. Step 6: Final answer
    x = 7,844.76

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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.