Home / 11,572.86-17,355.70-4,176.35

Finding the Fourth Proportional to 11,572.86, 17,355.70 and 4,176.35

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Solution

The fourth proportional to 11,572.86, 17,355.70 and 4,176.35 is: 6,263.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.86 : 17,355.70 = 4,176.35 : x
  2. Step 2: Convert to fraction form
    11,572.86/17,355.70 = 4,176.35/x
  3. Step 3: Cross multiply
    11,572.86x = 17,355.70 × 4,176.35
  4. Step 4: Simplify right side
    11,572.86x = 72,483,535.35
  5. Step 5: Solve for x
    x = 72,483,535.35/11,572.86
  6. Step 6: Final answer
    x = 6,263.24

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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.