Home / 11,088.76-15,302.48-6,120.76

Finding the Fourth Proportional to 11,088.76, 15,302.48 and 6,120.76

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Solution

The fourth proportional to 11,088.76, 15,302.48 and 6,120.76 is: 8,446.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088.76 : 15,302.48 = 6,120.76 : x
  2. Step 2: Convert to fraction form
    11,088.76/15,302.48 = 6,120.76/x
  3. Step 3: Cross multiply
    11,088.76x = 15,302.48 × 6,120.76
  4. Step 4: Simplify right side
    11,088.76x = 93,662,807.48
  5. Step 5: Solve for x
    x = 93,662,807.48/11,088.76
  6. Step 6: Final answer
    x = 8,446.64

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Half scale
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Double 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.