Home / 10,589.76-14,612.32-6,112.80

Finding the Fourth Proportional to 10,589.76, 14,612.32 and 6,112.80

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Solution

The fourth proportional to 10,589.76, 14,612.32 and 6,112.80 is: 8,434.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,589.76 : 14,612.32 = 6,112.80 : x
  2. Step 2: Convert to fraction form
    10,589.76/14,612.32 = 6,112.80/x
  3. Step 3: Cross multiply
    10,589.76x = 14,612.32 × 6,112.80
  4. Step 4: Simplify right side
    10,589.76x = 89,322,189.70
  5. Step 5: Solve for x
    x = 89,322,189.70/10,589.76
  6. Step 6: Final answer
    x = 8,434.77

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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.