Home / 9,282.38-12,809.68-5,090.63

Finding the Fourth Proportional to 9,282.38, 12,809.68 and 5,090.63

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Solution

The fourth proportional to 9,282.38, 12,809.68 and 5,090.63 is: 7,025.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,282.38 : 12,809.68 = 5,090.63 : x
  2. Step 2: Convert to fraction form
    9,282.38/12,809.68 = 5,090.63/x
  3. Step 3: Cross multiply
    9,282.38x = 12,809.68 × 5,090.63
  4. Step 4: Simplify right side
    9,282.38x = 65,209,264.52
  5. Step 5: Solve for x
    x = 65,209,264.52/9,282.38
  6. Step 6: Final answer
    x = 7,025.06

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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.