Home / 7,439.68-11,160.16-3,058.16

Finding the Fourth Proportional to 7,439.68, 11,160.16 and 3,058.16

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Solution

The fourth proportional to 7,439.68, 11,160.16 and 3,058.16 is: 4,587.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.68 : 11,160.16 = 3,058.16 : x
  2. Step 2: Convert to fraction form
    7,439.68/11,160.16 = 3,058.16/x
  3. Step 3: Cross multiply
    7,439.68x = 11,160.16 × 3,058.16
  4. Step 4: Simplify right side
    7,439.68x = 34,129,554.91
  5. Step 5: Solve for x
    x = 34,129,554.91/7,439.68
  6. Step 6: Final answer
    x = 4,587.50

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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.