Home / 6,174.74-8,521.15-3,342.12

Finding the Fourth Proportional to 6,174.74, 8,521.15 and 3,342.12

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Solution

The fourth proportional to 6,174.74, 8,521.15 and 3,342.12 is: 4,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174.74 : 8,521.15 = 3,342.12 : x
  2. Step 2: Convert to fraction form
    6,174.74/8,521.15 = 3,342.12/x
  3. Step 3: Cross multiply
    6,174.74x = 8,521.15 × 3,342.12
  4. Step 4: Simplify right side
    6,174.74x = 28,478,671.79
  5. Step 5: Solve for x
    x = 28,478,671.79/6,174.74
  6. Step 6: Final answer
    x = 4,612.13

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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.