Home / 9,240.91-12,749.27-5,261.01

Finding the Fourth Proportional to 9,240.91, 12,749.27 and 5,261.01

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Solution

The fourth proportional to 9,240.91, 12,749.27 and 5,261.01 is: 7,258.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.91 : 12,749.27 = 5,261.01 : x
  2. Step 2: Convert to fraction form
    9,240.91/12,749.27 = 5,261.01/x
  3. Step 3: Cross multiply
    9,240.91x = 12,749.27 × 5,261.01
  4. Step 4: Simplify right side
    9,240.91x = 67,074,036.96
  5. Step 5: Solve for x
    x = 67,074,036.96/9,240.91
  6. Step 6: Final answer
    x = 7,258.38

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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.