Home / 9,238.96-12,749.48-5,260.64

Finding the Fourth Proportional to 9,238.96, 12,749.48 and 5,260.64

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Solution

The fourth proportional to 9,238.96, 12,749.48 and 5,260.64 is: 7,259.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238.96 : 12,749.48 = 5,260.64 : x
  2. Step 2: Convert to fraction form
    9,238.96/12,749.48 = 5,260.64/x
  3. Step 3: Cross multiply
    9,238.96x = 12,749.48 × 5,260.64
  4. Step 4: Simplify right side
    9,238.96x = 67,070,424.47
  5. Step 5: Solve for x
    x = 67,070,424.47/9,238.96
  6. Step 6: Final answer
    x = 7,259.52

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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.