Home / 9,176.02-12,663.75-5,197.30

Finding the Fourth Proportional to 9,176.02, 12,663.75 and 5,197.30

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Solution

The fourth proportional to 9,176.02, 12,663.75 and 5,197.30 is: 7,172.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.02 : 12,663.75 = 5,197.30 : x
  2. Step 2: Convert to fraction form
    9,176.02/12,663.75 = 5,197.30/x
  3. Step 3: Cross multiply
    9,176.02x = 12,663.75 × 5,197.30
  4. Step 4: Simplify right side
    9,176.02x = 65,817,307.88
  5. Step 5: Solve for x
    x = 65,817,307.88/9,176.02
  6. Step 6: Final answer
    x = 7,172.75

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Similar ratio
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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.