Home / 9,740.98-13,443.70-5,549.86

Finding the Fourth Proportional to 9,740.98, 13,443.70 and 5,549.86

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Solution

The fourth proportional to 9,740.98, 13,443.70 and 5,549.86 is: 7,659.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,740.98 : 13,443.70 = 5,549.86 : x
  2. Step 2: Convert to fraction form
    9,740.98/13,443.70 = 5,549.86/x
  3. Step 3: Cross multiply
    9,740.98x = 13,443.70 × 5,549.86
  4. Step 4: Simplify right side
    9,740.98x = 74,610,652.88
  5. Step 5: Solve for x
    x = 74,610,652.88/9,740.98
  6. Step 6: Final answer
    x = 7,659.46

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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.