Home / 11,112.76-15,335.22-6,077.08

Finding the Fourth Proportional to 11,112.76, 15,335.22 and 6,077.08

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Solution

The fourth proportional to 11,112.76, 15,335.22 and 6,077.08 is: 8,386.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.76 : 15,335.22 = 6,077.08 : x
  2. Step 2: Convert to fraction form
    11,112.76/15,335.22 = 6,077.08/x
  3. Step 3: Cross multiply
    11,112.76x = 15,335.22 × 6,077.08
  4. Step 4: Simplify right side
    11,112.76x = 93,193,358.76
  5. Step 5: Solve for x
    x = 93,193,358.76/11,112.76
  6. Step 6: Final answer
    x = 8,386.16

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Half scale
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Double scale
Find fourth proportional to 11,113.76, 15,336.60 and 6,078.08
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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.