Home / 7,332.12-10,118.52-4,189.32

Finding the Fourth Proportional to 7,332.12, 10,118.52 and 4,189.32

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Solution

The fourth proportional to 7,332.12, 10,118.52 and 4,189.32 is: 5,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.12 : 10,118.52 = 4,189.32 : x
  2. Step 2: Convert to fraction form
    7,332.12/10,118.52 = 4,189.32/x
  3. Step 3: Cross multiply
    7,332.12x = 10,118.52 × 4,189.32
  4. Step 4: Simplify right side
    7,332.12x = 42,389,718.21
  5. Step 5: Solve for x
    x = 42,389,718.21/7,332.12
  6. Step 6: Final answer
    x = 5,781.37

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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.