Home / 9,392.13-12,961.58-5,200.47

Finding the Fourth Proportional to 9,392.13, 12,961.58 and 5,200.47

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Solution

The fourth proportional to 9,392.13, 12,961.58 and 5,200.47 is: 7,176.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,392.13 : 12,961.58 = 5,200.47 : x
  2. Step 2: Convert to fraction form
    9,392.13/12,961.58 = 5,200.47/x
  3. Step 3: Cross multiply
    9,392.13x = 12,961.58 × 5,200.47
  4. Step 4: Simplify right side
    9,392.13x = 67,406,281.94
  5. Step 5: Solve for x
    x = 67,406,281.94/9,392.13
  6. Step 6: Final answer
    x = 7,176.89

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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.