Home / 11,285.55-16,931.03-4,708.08

Finding the Fourth Proportional to 11,285.55, 16,931.03 and 4,708.08

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Solution

The fourth proportional to 11,285.55, 16,931.03 and 4,708.08 is: 7,063.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.55 : 16,931.03 = 4,708.08 : x
  2. Step 2: Convert to fraction form
    11,285.55/16,931.03 = 4,708.08/x
  3. Step 3: Cross multiply
    11,285.55x = 16,931.03 × 4,708.08
  4. Step 4: Simplify right side
    11,285.55x = 79,712,620.18
  5. Step 5: Solve for x
    x = 79,712,620.18/11,285.55
  6. Step 6: Final answer
    x = 7,063.25

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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.