Home / 8,462.08-11,678.64-4,877.88

Finding the Fourth Proportional to 8,462.08, 11,678.64 and 4,877.88

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Solution

The fourth proportional to 8,462.08, 11,678.64 and 4,877.88 is: 6,732.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462.08 : 11,678.64 = 4,877.88 : x
  2. Step 2: Convert to fraction form
    8,462.08/11,678.64 = 4,877.88/x
  3. Step 3: Cross multiply
    8,462.08x = 11,678.64 × 4,877.88
  4. Step 4: Simplify right side
    8,462.08x = 56,967,004.48
  5. Step 5: Solve for x
    x = 56,967,004.48/8,462.08
  6. Step 6: Final answer
    x = 6,732.03

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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.