Home / 9,136.67-12,608.58-5,157.69

Finding the Fourth Proportional to 9,136.67, 12,608.58 and 5,157.69

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Solution

The fourth proportional to 9,136.67, 12,608.58 and 5,157.69 is: 7,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.67 : 12,608.58 = 5,157.69 : x
  2. Step 2: Convert to fraction form
    9,136.67/12,608.58 = 5,157.69/x
  3. Step 3: Cross multiply
    9,136.67x = 12,608.58 × 5,157.69
  4. Step 4: Simplify right side
    9,136.67x = 65,031,160.95
  5. Step 5: Solve for x
    x = 65,031,160.95/9,136.67
  6. Step 6: Final answer
    x = 7,117.60

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Double scale
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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.