Home / 9,895.20-13,653.62-5,702.64

Finding the Fourth Proportional to 9,895.20, 13,653.62 and 5,702.64

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Solution

The fourth proportional to 9,895.20, 13,653.62 and 5,702.64 is: 7,868.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,895.20 : 13,653.62 = 5,702.64 : x
  2. Step 2: Convert to fraction form
    9,895.20/13,653.62 = 5,702.64/x
  3. Step 3: Cross multiply
    9,895.20x = 13,653.62 × 5,702.64
  4. Step 4: Simplify right side
    9,895.20x = 77,861,679.56
  5. Step 5: Solve for x
    x = 77,861,679.56/9,895.20
  6. Step 6: Final answer
    x = 7,868.63

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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.