Home / 10,458.26-14,432.77-5,742.90

Finding the Fourth Proportional to 10,458.26, 14,432.77 and 5,742.90

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Solution

The fourth proportional to 10,458.26, 14,432.77 and 5,742.90 is: 7,925.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458.26 : 14,432.77 = 5,742.90 : x
  2. Step 2: Convert to fraction form
    10,458.26/14,432.77 = 5,742.90/x
  3. Step 3: Cross multiply
    10,458.26x = 14,432.77 × 5,742.90
  4. Step 4: Simplify right side
    10,458.26x = 82,885,954.83
  5. Step 5: Solve for x
    x = 82,885,954.83/10,458.26
  6. Step 6: Final answer
    x = 7,925.41

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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.