Home / 7,240.83-9,986.11-5,746.38

Finding the Fourth Proportional to 7,240.83, 9,986.11 and 5,746.38

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Solution

The fourth proportional to 7,240.83, 9,986.11 and 5,746.38 is: 7,925.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.83 : 9,986.11 = 5,746.38 : x
  2. Step 2: Convert to fraction form
    7,240.83/9,986.11 = 5,746.38/x
  3. Step 3: Cross multiply
    7,240.83x = 9,986.11 × 5,746.38
  4. Step 4: Simplify right side
    7,240.83x = 57,383,982.78
  5. Step 5: Solve for x
    x = 57,383,982.78/7,240.83
  6. Step 6: Final answer
    x = 7,925.06

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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.