Home / 11,451.36-17,176.98-7,554.80

Finding the Fourth Proportional to 11,451.36, 17,176.98 and 7,554.80

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Solution

The fourth proportional to 11,451.36, 17,176.98 and 7,554.80 is: 11,332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.36 : 17,176.98 = 7,554.80 : x
  2. Step 2: Convert to fraction form
    11,451.36/17,176.98 = 7,554.80/x
  3. Step 3: Cross multiply
    11,451.36x = 17,176.98 × 7,554.80
  4. Step 4: Simplify right side
    11,451.36x = 129,768,648.50
  5. Step 5: Solve for x
    x = 129,768,648.50/11,451.36
  6. Step 6: Final answer
    x = 11,332.16

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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.