Home / 8,253.91-11,390.16-4,717.11

Finding the Fourth Proportional to 8,253.91, 11,390.16 and 4,717.11

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Solution

The fourth proportional to 8,253.91, 11,390.16 and 4,717.11 is: 6,509.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.91 : 11,390.16 = 4,717.11 : x
  2. Step 2: Convert to fraction form
    8,253.91/11,390.16 = 4,717.11/x
  3. Step 3: Cross multiply
    8,253.91x = 11,390.16 × 4,717.11
  4. Step 4: Simplify right side
    8,253.91x = 53,728,637.64
  5. Step 5: Solve for x
    x = 53,728,637.64/8,253.91
  6. Step 6: Final answer
    x = 6,509.48

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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.