Home / 12,199.93-16,835.23-7,885.46

Finding the Fourth Proportional to 12,199.93, 16,835.23 and 7,885.46

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Solution

The fourth proportional to 12,199.93, 16,835.23 and 7,885.46 is: 10,881.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.93 : 16,835.23 = 7,885.46 : x
  2. Step 2: Convert to fraction form
    12,199.93/16,835.23 = 7,885.46/x
  3. Step 3: Cross multiply
    12,199.93x = 16,835.23 × 7,885.46
  4. Step 4: Simplify right side
    12,199.93x = 132,753,532.76
  5. Step 5: Solve for x
    x = 132,753,532.76/12,199.93
  6. Step 6: Final answer
    x = 10,881.50

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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.