Home / 12,407.41-17,123.10-7,029.81

Finding the Fourth Proportional to 12,407.41, 17,123.10 and 7,029.81

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Solution

The fourth proportional to 12,407.41, 17,123.10 and 7,029.81 is: 9,701.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,407.41 : 17,123.10 = 7,029.81 : x
  2. Step 2: Convert to fraction form
    12,407.41/17,123.10 = 7,029.81/x
  3. Step 3: Cross multiply
    12,407.41x = 17,123.10 × 7,029.81
  4. Step 4: Simplify right side
    12,407.41x = 120,372,018.85
  5. Step 5: Solve for x
    x = 120,372,018.85/12,407.41
  6. Step 6: Final answer
    x = 9,701.62

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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.