Home / 12,148.10-16,764.41-7,044.60

Finding the Fourth Proportional to 12,148.10, 16,764.41 and 7,044.60

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Solution

The fourth proportional to 12,148.10, 16,764.41 and 7,044.60 is: 9,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148.10 : 16,764.41 = 7,044.60 : x
  2. Step 2: Convert to fraction form
    12,148.10/16,764.41 = 7,044.60/x
  3. Step 3: Cross multiply
    12,148.10x = 16,764.41 × 7,044.60
  4. Step 4: Simplify right side
    12,148.10x = 118,098,527.46
  5. Step 5: Solve for x
    x = 118,098,527.46/12,148.10
  6. Step 6: Final answer
    x = 9,721.57

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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.