Home / 9,276.35-12,800.88-5,296.68

Finding the Fourth Proportional to 9,276.35, 12,800.88 and 5,296.68

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Solution

The fourth proportional to 9,276.35, 12,800.88 and 5,296.68 is: 7,309.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,276.35 : 12,800.88 = 5,296.68 : x
  2. Step 2: Convert to fraction form
    9,276.35/12,800.88 = 5,296.68/x
  3. Step 3: Cross multiply
    9,276.35x = 12,800.88 × 5,296.68
  4. Step 4: Simplify right side
    9,276.35x = 67,802,165.08
  5. Step 5: Solve for x
    x = 67,802,165.08/9,276.35
  6. Step 6: Final answer
    x = 7,309.15

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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.