Home / 9,186.14-12,676.02-5,207.60

Finding the Fourth Proportional to 9,186.14, 12,676.02 and 5,207.60

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Solution

The fourth proportional to 9,186.14, 12,676.02 and 5,207.60 is: 7,186.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.14 : 12,676.02 = 5,207.60 : x
  2. Step 2: Convert to fraction form
    9,186.14/12,676.02 = 5,207.60/x
  3. Step 3: Cross multiply
    9,186.14x = 12,676.02 × 5,207.60
  4. Step 4: Simplify right side
    9,186.14x = 66,011,641.75
  5. Step 5: Solve for x
    x = 66,011,641.75/9,186.14
  6. Step 6: Final answer
    x = 7,186.00

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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.