Home / 9,117.63-13,677.53-3,192.71

Finding the Fourth Proportional to 9,117.63, 13,677.53 and 3,192.71

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Solution

The fourth proportional to 9,117.63, 13,677.53 and 3,192.71 is: 4,789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.63 : 13,677.53 = 3,192.71 : x
  2. Step 2: Convert to fraction form
    9,117.63/13,677.53 = 3,192.71/x
  3. Step 3: Cross multiply
    9,117.63x = 13,677.53 × 3,192.71
  4. Step 4: Simplify right side
    9,117.63x = 43,668,302.46
  5. Step 5: Solve for x
    x = 43,668,302.46/9,117.63
  6. Step 6: Final answer
    x = 4,789.44

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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.