Home / 8,123.36-11,210.22-4,397.36

Finding the Fourth Proportional to 8,123.36, 11,210.22 and 4,397.36

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Solution

The fourth proportional to 8,123.36, 11,210.22 and 4,397.36 is: 6,068.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.36 : 11,210.22 = 4,397.36 : x
  2. Step 2: Convert to fraction form
    8,123.36/11,210.22 = 4,397.36/x
  3. Step 3: Cross multiply
    8,123.36x = 11,210.22 × 4,397.36
  4. Step 4: Simplify right side
    8,123.36x = 49,295,316.97
  5. Step 5: Solve for x
    x = 49,295,316.97/8,123.36
  6. Step 6: Final answer
    x = 6,068.34

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Half scale
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Double scale
Find fourth proportional to 8,124.36, 11,211.60 and 4,398.36
Similar ratio
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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.