Home / 7,332.04-10,118.76-4,188.40

Finding the Fourth Proportional to 7,332.04, 10,118.76 and 4,188.40

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Solution

The fourth proportional to 7,332.04, 10,118.76 and 4,188.40 is: 5,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.04 : 10,118.76 = 4,188.40 : x
  2. Step 2: Convert to fraction form
    7,332.04/10,118.76 = 4,188.40/x
  3. Step 3: Cross multiply
    7,332.04x = 10,118.76 × 4,188.40
  4. Step 4: Simplify right side
    7,332.04x = 42,381,414.38
  5. Step 5: Solve for x
    x = 42,381,414.38/7,332.04
  6. Step 6: Final answer
    x = 5,780.30

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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.