Home / 10,411.18-14,363.34-6,425.38

Finding the Fourth Proportional to 10,411.18, 14,363.34 and 6,425.38

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Solution

The fourth proportional to 10,411.18, 14,363.34 and 6,425.38 is: 8,864.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411.18 : 14,363.34 = 6,425.38 : x
  2. Step 2: Convert to fraction form
    10,411.18/14,363.34 = 6,425.38/x
  3. Step 3: Cross multiply
    10,411.18x = 14,363.34 × 6,425.38
  4. Step 4: Simplify right side
    10,411.18x = 92,289,917.57
  5. Step 5: Solve for x
    x = 92,289,917.57/10,411.18
  6. Step 6: Final answer
    x = 8,864.50

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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.