Home / 7,150.23-9,868.29-4,166.19

Finding the Fourth Proportional to 7,150.23, 9,868.29 and 4,166.19

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Solution

The fourth proportional to 7,150.23, 9,868.29 and 4,166.19 is: 5,749.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.23 : 9,868.29 = 4,166.19 : x
  2. Step 2: Convert to fraction form
    7,150.23/9,868.29 = 4,166.19/x
  3. Step 3: Cross multiply
    7,150.23x = 9,868.29 × 4,166.19
  4. Step 4: Simplify right side
    7,150.23x = 41,113,171.12
  5. Step 5: Solve for x
    x = 41,113,171.12/7,150.23
  6. Step 6: Final answer
    x = 5,749.91

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Half scale
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Double scale
Find fourth proportional to 7,151.23, 9,869.67 and 4,167.19
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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.