Home / 7,330.28-10,116.52-4,186.94

Finding the Fourth Proportional to 7,330.28, 10,116.52 and 4,186.94

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Solution

The fourth proportional to 7,330.28, 10,116.52 and 4,186.94 is: 5,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.28 : 10,116.52 = 4,186.94 : x
  2. Step 2: Convert to fraction form
    7,330.28/10,116.52 = 4,186.94/x
  3. Step 3: Cross multiply
    7,330.28x = 10,116.52 × 4,186.94
  4. Step 4: Simplify right side
    7,330.28x = 42,357,262.25
  5. Step 5: Solve for x
    x = 42,357,262.25/7,330.28
  6. Step 6: Final answer
    x = 5,778.40

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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.