Home / 8,816.43-12,165.87-5,038.83

Finding the Fourth Proportional to 8,816.43, 12,165.87 and 5,038.83

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Solution

The fourth proportional to 8,816.43, 12,165.87 and 5,038.83 is: 6,953.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.43 : 12,165.87 = 5,038.83 : x
  2. Step 2: Convert to fraction form
    8,816.43/12,165.87 = 5,038.83/x
  3. Step 3: Cross multiply
    8,816.43x = 12,165.87 × 5,038.83
  4. Step 4: Simplify right side
    8,816.43x = 61,301,750.73
  5. Step 5: Solve for x
    x = 61,301,750.73/8,816.43
  6. Step 6: Final answer
    x = 6,953.13

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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.