Home / 6,632.90-9,151.04-4,112.40

Finding the Fourth Proportional to 6,632.90, 9,151.04 and 4,112.40

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Solution

The fourth proportional to 6,632.90, 9,151.04 and 4,112.40 is: 5,673.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,632.90 : 9,151.04 = 4,112.40 : x
  2. Step 2: Convert to fraction form
    6,632.90/9,151.04 = 4,112.40/x
  3. Step 3: Cross multiply
    6,632.90x = 9,151.04 × 4,112.40
  4. Step 4: Simplify right side
    6,632.90x = 37,632,747.18
  5. Step 5: Solve for x
    x = 37,632,747.18/6,632.90
  6. Step 6: Final answer
    x = 5,673.65

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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.