Home / 8,815.51-12,165.51-4,836.52

Finding the Fourth Proportional to 8,815.51, 12,165.51 and 4,836.52

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Solution

The fourth proportional to 8,815.51, 12,165.51 and 4,836.52 is: 6,674.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.51 : 12,165.51 = 4,836.52 : x
  2. Step 2: Convert to fraction form
    8,815.51/12,165.51 = 4,836.52/x
  3. Step 3: Cross multiply
    8,815.51x = 12,165.51 × 4,836.52
  4. Step 4: Simplify right side
    8,815.51x = 58,838,732.43
  5. Step 5: Solve for x
    x = 58,838,732.43/8,815.51
  6. Step 6: Final answer
    x = 6,674.46

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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.