Home / 10,090.92-15,136.40-4,543.23

Finding the Fourth Proportional to 10,090.92, 15,136.40 and 4,543.23

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Solution

The fourth proportional to 10,090.92, 15,136.40 and 4,543.23 is: 6,814.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.92 : 15,136.40 = 4,543.23 : x
  2. Step 2: Convert to fraction form
    10,090.92/15,136.40 = 4,543.23/x
  3. Step 3: Cross multiply
    10,090.92x = 15,136.40 × 4,543.23
  4. Step 4: Simplify right side
    10,090.92x = 68,768,146.57
  5. Step 5: Solve for x
    x = 68,768,146.57/10,090.92
  6. Step 6: Final answer
    x = 6,814.85

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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.