Home / 10,898.08-15,039.28-5,930.08

Finding the Fourth Proportional to 10,898.08, 15,039.28 and 5,930.08

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Solution

The fourth proportional to 10,898.08, 15,039.28 and 5,930.08 is: 8,183.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.08 : 15,039.28 = 5,930.08 : x
  2. Step 2: Convert to fraction form
    10,898.08/15,039.28 = 5,930.08/x
  3. Step 3: Cross multiply
    10,898.08x = 15,039.28 × 5,930.08
  4. Step 4: Simplify right side
    10,898.08x = 89,184,133.54
  5. Step 5: Solve for x
    x = 89,184,133.54/10,898.08
  6. Step 6: Final answer
    x = 8,183.47

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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.