Home / 9,170.67-12,655.58-5,394.00

Finding the Fourth Proportional to 9,170.67, 12,655.58 and 5,394.00

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Solution

The fourth proportional to 9,170.67, 12,655.58 and 5,394.00 is: 7,443.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.67 : 12,655.58 = 5,394.00 : x
  2. Step 2: Convert to fraction form
    9,170.67/12,655.58 = 5,394.00/x
  3. Step 3: Cross multiply
    9,170.67x = 12,655.58 × 5,394.00
  4. Step 4: Simplify right side
    9,170.67x = 68,264,121.76
  5. Step 5: Solve for x
    x = 68,264,121.76/9,170.67
  6. Step 6: Final answer
    x = 7,443.74

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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.