Home / 9,817.12-13,548.10-5,625.38

Finding the Fourth Proportional to 9,817.12, 13,548.10 and 5,625.38

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Solution

The fourth proportional to 9,817.12, 13,548.10 and 5,625.38 is: 7,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,817.12 : 13,548.10 = 5,625.38 : x
  2. Step 2: Convert to fraction form
    9,817.12/13,548.10 = 5,625.38/x
  3. Step 3: Cross multiply
    9,817.12x = 13,548.10 × 5,625.38
  4. Step 4: Simplify right side
    9,817.12x = 76,213,210.78
  5. Step 5: Solve for x
    x = 76,213,210.78/9,817.12
  6. Step 6: Final answer
    x = 7,763.30

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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.