Home / 9,825.36-13,559.16-5,349.18

Finding the Fourth Proportional to 9,825.36, 13,559.16 and 5,349.18

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Solution

The fourth proportional to 9,825.36, 13,559.16 and 5,349.18 is: 7,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,825.36 : 13,559.16 = 5,349.18 : x
  2. Step 2: Convert to fraction form
    9,825.36/13,559.16 = 5,349.18/x
  3. Step 3: Cross multiply
    9,825.36x = 13,559.16 × 5,349.18
  4. Step 4: Simplify right side
    9,825.36x = 72,530,387.49
  5. Step 5: Solve for x
    x = 72,530,387.49/9,825.36
  6. Step 6: Final answer
    x = 7,381.96

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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.