Home / 13,026.87-17,977.10-7,058.54

Finding the Fourth Proportional to 13,026.87, 17,977.10 and 7,058.54

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Solution

The fourth proportional to 13,026.87, 17,977.10 and 7,058.54 is: 9,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.87 : 17,977.10 = 7,058.54 : x
  2. Step 2: Convert to fraction form
    13,026.87/17,977.10 = 7,058.54/x
  3. Step 3: Cross multiply
    13,026.87x = 17,977.10 × 7,058.54
  4. Step 4: Simplify right side
    13,026.87x = 126,892,079.43
  5. Step 5: Solve for x
    x = 126,892,079.43/13,026.87
  6. Step 6: Final answer
    x = 9,740.80

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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.