Home / 11,043.60-15,240.53-6,328.79

Finding the Fourth Proportional to 11,043.60, 15,240.53 and 6,328.79

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Solution

The fourth proportional to 11,043.60, 15,240.53 and 6,328.79 is: 8,733.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,043.60 : 15,240.53 = 6,328.79 : x
  2. Step 2: Convert to fraction form
    11,043.60/15,240.53 = 6,328.79/x
  3. Step 3: Cross multiply
    11,043.60x = 15,240.53 × 6,328.79
  4. Step 4: Simplify right side
    11,043.60x = 96,454,053.48
  5. Step 5: Solve for x
    x = 96,454,053.48/11,043.60
  6. Step 6: Final answer
    x = 8,733.93

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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.