Home / 9,316.48-12,850.98-6,659.28

Finding the Fourth Proportional to 9,316.48, 12,850.98 and 6,659.28

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Solution

The fourth proportional to 9,316.48, 12,850.98 and 6,659.28 is: 9,185.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.48 : 12,850.98 = 6,659.28 : x
  2. Step 2: Convert to fraction form
    9,316.48/12,850.98 = 6,659.28/x
  3. Step 3: Cross multiply
    9,316.48x = 12,850.98 × 6,659.28
  4. Step 4: Simplify right side
    9,316.48x = 85,578,274.09
  5. Step 5: Solve for x
    x = 85,578,274.09/9,316.48
  6. Step 6: Final answer
    x = 9,185.69

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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.