Home / 7,650.42-10,557.75-4,247.31

Finding the Fourth Proportional to 7,650.42, 10,557.75 and 4,247.31

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Solution

The fourth proportional to 7,650.42, 10,557.75 and 4,247.31 is: 5,861.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.42 : 10,557.75 = 4,247.31 : x
  2. Step 2: Convert to fraction form
    7,650.42/10,557.75 = 4,247.31/x
  3. Step 3: Cross multiply
    7,650.42x = 10,557.75 × 4,247.31
  4. Step 4: Simplify right side
    7,650.42x = 44,842,037.15
  5. Step 5: Solve for x
    x = 44,842,037.15/7,650.42
  6. Step 6: Final answer
    x = 5,861.38

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Double scale
Find fourth proportional to 7,651.42, 10,559.13 and 4,248.31
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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.