Home / 11,923.73-16,459.40-8,948.19

Finding the Fourth Proportional to 11,923.73, 16,459.40 and 8,948.19

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Solution

The fourth proportional to 11,923.73, 16,459.40 and 8,948.19 is: 12,351.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.73 : 16,459.40 = 8,948.19 : x
  2. Step 2: Convert to fraction form
    11,923.73/16,459.40 = 8,948.19/x
  3. Step 3: Cross multiply
    11,923.73x = 16,459.40 × 8,948.19
  4. Step 4: Simplify right side
    11,923.73x = 147,281,838.49
  5. Step 5: Solve for x
    x = 147,281,838.49/11,923.73
  6. Step 6: Final answer
    x = 12,351.99

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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.