Home / 11,358.72-17,038.08-3,572.16

Finding the Fourth Proportional to 11,358.72, 17,038.08 and 3,572.16

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Solution

The fourth proportional to 11,358.72, 17,038.08 and 3,572.16 is: 5,358.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,358.72 : 17,038.08 = 3,572.16 : x
  2. Step 2: Convert to fraction form
    11,358.72/17,038.08 = 3,572.16/x
  3. Step 3: Cross multiply
    11,358.72x = 17,038.08 × 3,572.16
  4. Step 4: Simplify right side
    11,358.72x = 60,862,747.85
  5. Step 5: Solve for x
    x = 60,862,747.85/11,358.72
  6. Step 6: Final answer
    x = 5,358.24

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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.