Home / 10,559.06-15,828.11-5,881.21

Finding the Fourth Proportional to 10,559.06, 15,828.11 and 5,881.21

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Solution

The fourth proportional to 10,559.06, 15,828.11 and 5,881.21 is: 8,815.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,559.06 : 15,828.11 = 5,881.21 : x
  2. Step 2: Convert to fraction form
    10,559.06/15,828.11 = 5,881.21/x
  3. Step 3: Cross multiply
    10,559.06x = 15,828.11 × 5,881.21
  4. Step 4: Simplify right side
    10,559.06x = 93,088,391.89
  5. Step 5: Solve for x
    x = 93,088,391.89/10,559.06
  6. Step 6: Final answer
    x = 8,815.97

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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.