Home / 9,090.28-12,553.80-6,848.68

Finding the Fourth Proportional to 9,090.28, 12,553.80 and 6,848.68

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Solution

The fourth proportional to 9,090.28, 12,553.80 and 6,848.68 is: 9,458.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.28 : 12,553.80 = 6,848.68 : x
  2. Step 2: Convert to fraction form
    9,090.28/12,553.80 = 6,848.68/x
  3. Step 3: Cross multiply
    9,090.28x = 12,553.80 × 6,848.68
  4. Step 4: Simplify right side
    9,090.28x = 85,976,958.98
  5. Step 5: Solve for x
    x = 85,976,958.98/9,090.28
  6. Step 6: Final answer
    x = 9,458.12

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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.