Home / 9,275.87-12,798.21-5,296.19

Finding the Fourth Proportional to 9,275.87, 12,798.21 and 5,296.19

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Solution

The fourth proportional to 9,275.87, 12,798.21 and 5,296.19 is: 7,307.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,275.87 : 12,798.21 = 5,296.19 : x
  2. Step 2: Convert to fraction form
    9,275.87/12,798.21 = 5,296.19/x
  3. Step 3: Cross multiply
    9,275.87x = 12,798.21 × 5,296.19
  4. Step 4: Simplify right side
    9,275.87x = 67,781,751.82
  5. Step 5: Solve for x
    x = 67,781,751.82/9,275.87
  6. Step 6: Final answer
    x = 7,307.32

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Half scale
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Double scale
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Similar ratio
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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.