Home / 10,360.69-14,285.20-8,061.74

Finding the Fourth Proportional to 10,360.69, 14,285.20 and 8,061.74

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Solution

The fourth proportional to 10,360.69, 14,285.20 and 8,061.74 is: 11,115.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360.69 : 14,285.20 = 8,061.74 : x
  2. Step 2: Convert to fraction form
    10,360.69/14,285.20 = 8,061.74/x
  3. Step 3: Cross multiply
    10,360.69x = 14,285.20 × 8,061.74
  4. Step 4: Simplify right side
    10,360.69x = 115,163,527.94
  5. Step 5: Solve for x
    x = 115,163,527.94/10,360.69
  6. Step 6: Final answer
    x = 11,115.43

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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.