Home / 9,236.63-12,746.56-5,257.74

Finding the Fourth Proportional to 9,236.63, 12,746.56 and 5,257.74

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Solution

The fourth proportional to 9,236.63, 12,746.56 and 5,257.74 is: 7,255.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,236.63 : 12,746.56 = 5,257.74 : x
  2. Step 2: Convert to fraction form
    9,236.63/12,746.56 = 5,257.74/x
  3. Step 3: Cross multiply
    9,236.63x = 12,746.56 × 5,257.74
  4. Step 4: Simplify right side
    9,236.63x = 67,018,135.42
  5. Step 5: Solve for x
    x = 67,018,135.42/9,236.63
  6. Step 6: Final answer
    x = 7,255.69

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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.