Home / 11,535.20-17,302.80-5,703.20

Finding the Fourth Proportional to 11,535.20, 17,302.80 and 5,703.20

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Solution

The fourth proportional to 11,535.20, 17,302.80 and 5,703.20 is: 8,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,535.20 : 17,302.80 = 5,703.20 : x
  2. Step 2: Convert to fraction form
    11,535.20/17,302.80 = 5,703.20/x
  3. Step 3: Cross multiply
    11,535.20x = 17,302.80 × 5,703.20
  4. Step 4: Simplify right side
    11,535.20x = 98,681,328.96
  5. Step 5: Solve for x
    x = 98,681,328.96/11,535.20
  6. Step 6: Final answer
    x = 8,554.80

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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.