Home / 7,237.80-10,853.62-4,119.28

Finding the Fourth Proportional to 7,237.80, 10,853.62 and 4,119.28

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Solution

The fourth proportional to 7,237.80, 10,853.62 and 4,119.28 is: 6,177.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.80 : 10,853.62 = 4,119.28 : x
  2. Step 2: Convert to fraction form
    7,237.80/10,853.62 = 4,119.28/x
  3. Step 3: Cross multiply
    7,237.80x = 10,853.62 × 4,119.28
  4. Step 4: Simplify right side
    7,237.80x = 44,709,062.36
  5. Step 5: Solve for x
    x = 44,709,062.36/7,237.80
  6. Step 6: Final answer
    x = 6,177.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.