Home / 9,200.13-12,697.84-5,423.08

Finding the Fourth Proportional to 9,200.13, 12,697.84 and 5,423.08

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Solution

The fourth proportional to 9,200.13, 12,697.84 and 5,423.08 is: 7,484.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,200.13 : 12,697.84 = 5,423.08 : x
  2. Step 2: Convert to fraction form
    9,200.13/12,697.84 = 5,423.08/x
  3. Step 3: Cross multiply
    9,200.13x = 12,697.84 × 5,423.08
  4. Step 4: Simplify right side
    9,200.13x = 68,861,356.84
  5. Step 5: Solve for x
    x = 68,861,356.84/9,200.13
  6. Step 6: Final answer
    x = 7,484.82

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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.