Home / 9,748.86-13,453.44-5,272.61

Finding the Fourth Proportional to 9,748.86, 13,453.44 and 5,272.61

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Solution

The fourth proportional to 9,748.86, 13,453.44 and 5,272.61 is: 7,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,748.86 : 13,453.44 = 5,272.61 : x
  2. Step 2: Convert to fraction form
    9,748.86/13,453.44 = 5,272.61/x
  3. Step 3: Cross multiply
    9,748.86x = 13,453.44 × 5,272.61
  4. Step 4: Simplify right side
    9,748.86x = 70,934,655.24
  5. Step 5: Solve for x
    x = 70,934,655.24/9,748.86
  6. Step 6: Final answer
    x = 7,276.20

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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.