Home / 7,110.48-9,812.16-4,126.08

Finding the Fourth Proportional to 7,110.48, 9,812.16 and 4,126.08

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Solution

The fourth proportional to 7,110.48, 9,812.16 and 4,126.08 is: 5,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.48 : 9,812.16 = 4,126.08 : x
  2. Step 2: Convert to fraction form
    7,110.48/9,812.16 = 4,126.08/x
  3. Step 3: Cross multiply
    7,110.48x = 9,812.16 × 4,126.08
  4. Step 4: Simplify right side
    7,110.48x = 40,485,757.13
  5. Step 5: Solve for x
    x = 40,485,757.13/7,110.48
  6. Step 6: Final answer
    x = 5,693.81

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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.