Home / 6,859.18-10,280.56-3,157.68

Finding the Fourth Proportional to 6,859.18, 10,280.56 and 3,157.68

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Solution

The fourth proportional to 6,859.18, 10,280.56 and 3,157.68 is: 4,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.18 : 10,280.56 = 3,157.68 : x
  2. Step 2: Convert to fraction form
    6,859.18/10,280.56 = 3,157.68/x
  3. Step 3: Cross multiply
    6,859.18x = 10,280.56 × 3,157.68
  4. Step 4: Simplify right side
    6,859.18x = 32,462,693.00
  5. Step 5: Solve for x
    x = 32,462,693.00/6,859.18
  6. Step 6: Final answer
    x = 4,732.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.