Home / 9,506.06-13,110.39-7,121.62

Finding the Fourth Proportional to 9,506.06, 13,110.39 and 7,121.62

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Solution

The fourth proportional to 9,506.06, 13,110.39 and 7,121.62 is: 9,821.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,506.06 : 13,110.39 = 7,121.62 : x
  2. Step 2: Convert to fraction form
    9,506.06/13,110.39 = 7,121.62/x
  3. Step 3: Cross multiply
    9,506.06x = 13,110.39 × 7,121.62
  4. Step 4: Simplify right side
    9,506.06x = 93,367,232.02
  5. Step 5: Solve for x
    x = 93,367,232.02/9,506.06
  6. Step 6: Final answer
    x = 9,821.87

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Half scale
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Double scale
Find fourth proportional to 9,507.06, 13,111.77 and 7,122.62
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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.