Home / 8,827.24-12,180.90-6,313

Finding the Fourth Proportional to 8,827.24, 12,180.90 and 6,313

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Solution

The fourth proportional to 8,827.24, 12,180.90 and 6,313 is: 8,711.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,827.24 : 12,180.90 = 6,313 : x
  2. Step 2: Convert to fraction form
    8,827.24/12,180.90 = 6,313/x
  3. Step 3: Cross multiply
    8,827.24x = 12,180.90 × 6,313
  4. Step 4: Simplify right side
    8,827.24x = 76,898,021.70
  5. Step 5: Solve for x
    x = 76,898,021.70/8,827.24
  6. Step 6: Final answer
    x = 8,711.45

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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.