Home / 11,232.90-16,856.10-4,658.40

Finding the Fourth Proportional to 11,232.90, 16,856.10 and 4,658.40

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Solution

The fourth proportional to 11,232.90, 16,856.10 and 4,658.40 is: 6,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232.90 : 16,856.10 = 4,658.40 : x
  2. Step 2: Convert to fraction form
    11,232.90/16,856.10 = 4,658.40/x
  3. Step 3: Cross multiply
    11,232.90x = 16,856.10 × 4,658.40
  4. Step 4: Simplify right side
    11,232.90x = 78,522,456.24
  5. Step 5: Solve for x
    x = 78,522,456.24/11,232.90
  6. Step 6: Final answer
    x = 6,990.40

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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.