Home / 9,817.90-13,548.66-5,341.57

Finding the Fourth Proportional to 9,817.90, 13,548.66 and 5,341.57

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Solution

The fourth proportional to 9,817.90, 13,548.66 and 5,341.57 is: 7,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,817.90 : 13,548.66 = 5,341.57 : x
  2. Step 2: Convert to fraction form
    9,817.90/13,548.66 = 5,341.57/x
  3. Step 3: Cross multiply
    9,817.90x = 13,548.66 × 5,341.57
  4. Step 4: Simplify right side
    9,817.90x = 72,371,115.80
  5. Step 5: Solve for x
    x = 72,371,115.80/9,817.90
  6. Step 6: Final answer
    x = 7,371.34

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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.