Home / 9,200.74-12,697.95-5,425.06

Finding the Fourth Proportional to 9,200.74, 12,697.95 and 5,425.06

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Solution

The fourth proportional to 9,200.74, 12,697.95 and 5,425.06 is: 7,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,200.74 : 12,697.95 = 5,425.06 : x
  2. Step 2: Convert to fraction form
    9,200.74/12,697.95 = 5,425.06/x
  3. Step 3: Cross multiply
    9,200.74x = 12,697.95 × 5,425.06
  4. Step 4: Simplify right side
    9,200.74x = 68,887,140.63
  5. Step 5: Solve for x
    x = 68,887,140.63/9,200.74
  6. Step 6: Final answer
    x = 7,487.13

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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.