Home / 12,058.28-18,055.96-9,705.44

Finding the Fourth Proportional to 12,058.28, 18,055.96 and 9,705.44

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Solution

The fourth proportional to 12,058.28, 18,055.96 and 9,705.44 is: 14,532.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,058.28 : 18,055.96 = 9,705.44 : x
  2. Step 2: Convert to fraction form
    12,058.28/18,055.96 = 9,705.44/x
  3. Step 3: Cross multiply
    12,058.28x = 18,055.96 × 9,705.44
  4. Step 4: Simplify right side
    12,058.28x = 175,241,036.42
  5. Step 5: Solve for x
    x = 175,241,036.42/12,058.28
  6. Step 6: Final answer
    x = 14,532.84

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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.