Home / 10,521.38-14,520.33-5,806.51

Finding the Fourth Proportional to 10,521.38, 14,520.33 and 5,806.51

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Solution

The fourth proportional to 10,521.38, 14,520.33 and 5,806.51 is: 8,013.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.38 : 14,520.33 = 5,806.51 : x
  2. Step 2: Convert to fraction form
    10,521.38/14,520.33 = 5,806.51/x
  3. Step 3: Cross multiply
    10,521.38x = 14,520.33 × 5,806.51
  4. Step 4: Simplify right side
    10,521.38x = 84,312,441.35
  5. Step 5: Solve for x
    x = 84,312,441.35/10,521.38
  6. Step 6: Final answer
    x = 8,013.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.