Home / 10,346.48-14,278.18-5,630.75

Finding the Fourth Proportional to 10,346.48, 14,278.18 and 5,630.75

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Solution

The fourth proportional to 10,346.48, 14,278.18 and 5,630.75 is: 7,770.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.48 : 14,278.18 = 5,630.75 : x
  2. Step 2: Convert to fraction form
    10,346.48/14,278.18 = 5,630.75/x
  3. Step 3: Cross multiply
    10,346.48x = 14,278.18 × 5,630.75
  4. Step 4: Simplify right side
    10,346.48x = 80,396,862.04
  5. Step 5: Solve for x
    x = 80,396,862.04/10,346.48
  6. Step 6: Final answer
    x = 7,770.46

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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.