Home / 8,829.50-12,186.33-5,103.50

Finding the Fourth Proportional to 8,829.50, 12,186.33 and 5,103.50

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Solution

The fourth proportional to 8,829.50, 12,186.33 and 5,103.50 is: 7,043.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829.50 : 12,186.33 = 5,103.50 : x
  2. Step 2: Convert to fraction form
    8,829.50/12,186.33 = 5,103.50/x
  3. Step 3: Cross multiply
    8,829.50x = 12,186.33 × 5,103.50
  4. Step 4: Simplify right side
    8,829.50x = 62,192,935.16
  5. Step 5: Solve for x
    x = 62,192,935.16/8,829.50
  6. Step 6: Final answer
    x = 7,043.77

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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.