Home / 9,153.77-13,737.94-3,609.72

Finding the Fourth Proportional to 9,153.77, 13,737.94 and 3,609.72

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Solution

The fourth proportional to 9,153.77, 13,737.94 and 3,609.72 is: 5,417.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.77 : 13,737.94 = 3,609.72 : x
  2. Step 2: Convert to fraction form
    9,153.77/13,737.94 = 3,609.72/x
  3. Step 3: Cross multiply
    9,153.77x = 13,737.94 × 3,609.72
  4. Step 4: Simplify right side
    9,153.77x = 49,590,107.75
  5. Step 5: Solve for x
    x = 49,590,107.75/9,153.77
  6. Step 6: Final answer
    x = 5,417.45

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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.