Home / 7,332.22-10,119-4,188.34

Finding the Fourth Proportional to 7,332.22, 10,119 and 4,188.34

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Solution

The fourth proportional to 7,332.22, 10,119 and 4,188.34 is: 5,780.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.22 : 10,119 = 4,188.34 : x
  2. Step 2: Convert to fraction form
    7,332.22/10,119 = 4,188.34/x
  3. Step 3: Cross multiply
    7,332.22x = 10,119 × 4,188.34
  4. Step 4: Simplify right side
    7,332.22x = 42,381,812.46
  5. Step 5: Solve for x
    x = 42,381,812.46/7,332.22
  6. Step 6: Final answer
    x = 5,780.22

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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.