Home / 12,349.29-18,521.51-4,556.28

Finding the Fourth Proportional to 12,349.29, 18,521.51 and 4,556.28

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Solution

The fourth proportional to 12,349.29, 18,521.51 and 4,556.28 is: 6,833.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.29 : 18,521.51 = 4,556.28 : x
  2. Step 2: Convert to fraction form
    12,349.29/18,521.51 = 4,556.28/x
  3. Step 3: Cross multiply
    12,349.29x = 18,521.51 × 4,556.28
  4. Step 4: Simplify right side
    12,349.29x = 84,389,162.80
  5. Step 5: Solve for x
    x = 84,389,162.80/12,349.29
  6. Step 6: Final answer
    x = 6,833.52

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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.