Home / 12,328.08-17,008.05-7,544.17

Finding the Fourth Proportional to 12,328.08, 17,008.05 and 7,544.17

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Solution

The fourth proportional to 12,328.08, 17,008.05 and 7,544.17 is: 10,408.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328.08 : 17,008.05 = 7,544.17 : x
  2. Step 2: Convert to fraction form
    12,328.08/17,008.05 = 7,544.17/x
  3. Step 3: Cross multiply
    12,328.08x = 17,008.05 × 7,544.17
  4. Step 4: Simplify right side
    12,328.08x = 128,311,670.12
  5. Step 5: Solve for x
    x = 128,311,670.12/12,328.08
  6. Step 6: Final answer
    x = 10,408.09

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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.