Home / 10,432.15-14,396.43-5,716.60

Finding the Fourth Proportional to 10,432.15, 14,396.43 and 5,716.60

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Solution

The fourth proportional to 10,432.15, 14,396.43 and 5,716.60 is: 7,888.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.15 : 14,396.43 = 5,716.60 : x
  2. Step 2: Convert to fraction form
    10,432.15/14,396.43 = 5,716.60/x
  3. Step 3: Cross multiply
    10,432.15x = 14,396.43 × 5,716.60
  4. Step 4: Simplify right side
    10,432.15x = 82,298,617.18
  5. Step 5: Solve for x
    x = 82,298,617.18/10,432.15
  6. Step 6: Final answer
    x = 7,888.94

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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.