Home / 11,148.50-15,384.57-6,112.59

Finding the Fourth Proportional to 11,148.50, 15,384.57 and 6,112.59

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Solution

The fourth proportional to 11,148.50, 15,384.57 and 6,112.59 is: 8,435.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.50 : 15,384.57 = 6,112.59 : x
  2. Step 2: Convert to fraction form
    11,148.50/15,384.57 = 6,112.59/x
  3. Step 3: Cross multiply
    11,148.50x = 15,384.57 × 6,112.59
  4. Step 4: Simplify right side
    11,148.50x = 94,039,568.74
  5. Step 5: Solve for x
    x = 94,039,568.74/11,148.50
  6. Step 6: Final answer
    x = 8,435.18

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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.