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Finding the Fourth Proportional to 9,655.74, 13,326.65 and 7,010.84

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Solution

The fourth proportional to 9,655.74, 13,326.65 and 7,010.84 is: 9,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,655.74 : 13,326.65 = 7,010.84 : x
  2. Step 2: Convert to fraction form
    9,655.74/13,326.65 = 7,010.84/x
  3. Step 3: Cross multiply
    9,655.74x = 13,326.65 × 7,010.84
  4. Step 4: Simplify right side
    9,655.74x = 93,431,035.44
  5. Step 5: Solve for x
    x = 93,431,035.44/9,655.74
  6. Step 6: Final answer
    x = 9,676.22

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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.