Home / 11,715.03-17,564.34-4,318.53

Finding the Fourth Proportional to 11,715.03, 17,564.34 and 4,318.53

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Solution

The fourth proportional to 11,715.03, 17,564.34 and 4,318.53 is: 6,474.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.03 : 17,564.34 = 4,318.53 : x
  2. Step 2: Convert to fraction form
    11,715.03/17,564.34 = 4,318.53/x
  3. Step 3: Cross multiply
    11,715.03x = 17,564.34 × 4,318.53
  4. Step 4: Simplify right side
    11,715.03x = 75,852,129.22
  5. Step 5: Solve for x
    x = 75,852,129.22/11,715.03
  6. Step 6: Final answer
    x = 6,474.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.