Home / 9,825.62-13,559.64-5,349.45

Finding the Fourth Proportional to 9,825.62, 13,559.64 and 5,349.45

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Solution

The fourth proportional to 9,825.62, 13,559.64 and 5,349.45 is: 7,382.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,825.62 : 13,559.64 = 5,349.45 : x
  2. Step 2: Convert to fraction form
    9,825.62/13,559.64 = 5,349.45/x
  3. Step 3: Cross multiply
    9,825.62x = 13,559.64 × 5,349.45
  4. Step 4: Simplify right side
    9,825.62x = 72,536,548.40
  5. Step 5: Solve for x
    x = 72,536,548.40/9,825.62
  6. Step 6: Final answer
    x = 7,382.39

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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.