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Finding the Fourth Proportional to 9,659.34, 13,329 and 5,467.59

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Solution

The fourth proportional to 9,659.34, 13,329 and 5,467.59 is: 7,544.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,659.34 : 13,329 = 5,467.59 : x
  2. Step 2: Convert to fraction form
    9,659.34/13,329 = 5,467.59/x
  3. Step 3: Cross multiply
    9,659.34x = 13,329 × 5,467.59
  4. Step 4: Simplify right side
    9,659.34x = 72,877,507.11
  5. Step 5: Solve for x
    x = 72,877,507.11/9,659.34
  6. Step 6: Final answer
    x = 7,544.77

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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.