Home / 9,827.52-13,561.80-5,635.44

Finding the Fourth Proportional to 9,827.52, 13,561.80 and 5,635.44

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Solution

The fourth proportional to 9,827.52, 13,561.80 and 5,635.44 is: 7,776.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,827.52 : 13,561.80 = 5,635.44 : x
  2. Step 2: Convert to fraction form
    9,827.52/13,561.80 = 5,635.44/x
  3. Step 3: Cross multiply
    9,827.52x = 13,561.80 × 5,635.44
  4. Step 4: Simplify right side
    9,827.52x = 76,426,710.19
  5. Step 5: Solve for x
    x = 76,426,710.19/9,827.52
  6. Step 6: Final answer
    x = 7,776.81

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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.