Home / 8,462.08-11,681.76-5,634.16

Finding the Fourth Proportional to 8,462.08, 11,681.76 and 5,634.16

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Solution

The fourth proportional to 8,462.08, 11,681.76 and 5,634.16 is: 7,777.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462.08 : 11,681.76 = 5,634.16 : x
  2. Step 2: Convert to fraction form
    8,462.08/11,681.76 = 5,634.16/x
  3. Step 3: Cross multiply
    8,462.08x = 11,681.76 × 5,634.16
  4. Step 4: Simplify right side
    8,462.08x = 65,816,904.92
  5. Step 5: Solve for x
    x = 65,816,904.92/8,462.08
  6. Step 6: Final answer
    x = 7,777.86

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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.