Home / 10,089.63-15,136.07-4,247.10

Finding the Fourth Proportional to 10,089.63, 15,136.07 and 4,247.10

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Solution

The fourth proportional to 10,089.63, 15,136.07 and 4,247.10 is: 6,371.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.63 : 15,136.07 = 4,247.10 : x
  2. Step 2: Convert to fraction form
    10,089.63/15,136.07 = 4,247.10/x
  3. Step 3: Cross multiply
    10,089.63x = 15,136.07 × 4,247.10
  4. Step 4: Simplify right side
    10,089.63x = 64,284,381.66
  5. Step 5: Solve for x
    x = 64,284,381.66/10,089.63
  6. Step 6: Final answer
    x = 6,371.33

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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.