Home / 10,985.76-16,480.76-3,588.23

Finding the Fourth Proportional to 10,985.76, 16,480.76 and 3,588.23

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Solution

The fourth proportional to 10,985.76, 16,480.76 and 3,588.23 is: 5,383.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.76 : 16,480.76 = 3,588.23 : x
  2. Step 2: Convert to fraction form
    10,985.76/16,480.76 = 3,588.23/x
  3. Step 3: Cross multiply
    10,985.76x = 16,480.76 × 3,588.23
  4. Step 4: Simplify right side
    10,985.76x = 59,136,757.45
  5. Step 5: Solve for x
    x = 59,136,757.45/10,985.76
  6. Step 6: Final answer
    x = 5,383.04

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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.