Home / 12,374.70-18,554.75-4,972.92

Finding the Fourth Proportional to 12,374.70, 18,554.75 and 4,972.92

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Solution

The fourth proportional to 12,374.70, 18,554.75 and 4,972.92 is: 7,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.70 : 18,554.75 = 4,972.92 : x
  2. Step 2: Convert to fraction form
    12,374.70/18,554.75 = 4,972.92/x
  3. Step 3: Cross multiply
    12,374.70x = 18,554.75 × 4,972.92
  4. Step 4: Simplify right side
    12,374.70x = 92,271,287.37
  5. Step 5: Solve for x
    x = 92,271,287.37/12,374.70
  6. Step 6: Final answer
    x = 7,456.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.