Home / 7,332.28-10,119.28-4,188.94

Finding the Fourth Proportional to 7,332.28, 10,119.28 and 4,188.94

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Solution

The fourth proportional to 7,332.28, 10,119.28 and 4,188.94 is: 5,781.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.28 : 10,119.28 = 4,188.94 : x
  2. Step 2: Convert to fraction form
    7,332.28/10,119.28 = 4,188.94/x
  3. Step 3: Cross multiply
    7,332.28x = 10,119.28 × 4,188.94
  4. Step 4: Simplify right side
    7,332.28x = 42,389,056.76
  5. Step 5: Solve for x
    x = 42,389,056.76/7,332.28
  6. Step 6: Final answer
    x = 5,781.16

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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.