Home / 10,147.23-13,999.21-5,897.53

Finding the Fourth Proportional to 10,147.23, 13,999.21 and 5,897.53

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Solution

The fourth proportional to 10,147.23, 13,999.21 and 5,897.53 is: 8,136.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.23 : 13,999.21 = 5,897.53 : x
  2. Step 2: Convert to fraction form
    10,147.23/13,999.21 = 5,897.53/x
  3. Step 3: Cross multiply
    10,147.23x = 13,999.21 × 5,897.53
  4. Step 4: Simplify right side
    10,147.23x = 82,560,823.81
  5. Step 5: Solve for x
    x = 82,560,823.81/10,147.23
  6. Step 6: Final answer
    x = 8,136.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.