Home / 11,088.75-15,302.48-6,120.75

Finding the Fourth Proportional to 11,088.75, 15,302.48 and 6,120.75

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Solution

The fourth proportional to 11,088.75, 15,302.48 and 6,120.75 is: 8,446.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088.75 : 15,302.48 = 6,120.75 : x
  2. Step 2: Convert to fraction form
    11,088.75/15,302.48 = 6,120.75/x
  3. Step 3: Cross multiply
    11,088.75x = 15,302.48 × 6,120.75
  4. Step 4: Simplify right side
    11,088.75x = 93,662,654.46
  5. Step 5: Solve for x
    x = 93,662,654.46/11,088.75
  6. Step 6: Final answer
    x = 8,446.64

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Half scale
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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.