Home / 10,690.36-14,752.64-5,910.56

Finding the Fourth Proportional to 10,690.36, 14,752.64 and 5,910.56

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Solution

The fourth proportional to 10,690.36, 14,752.64 and 5,910.56 is: 8,156.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.36 : 14,752.64 = 5,910.56 : x
  2. Step 2: Convert to fraction form
    10,690.36/14,752.64 = 5,910.56/x
  3. Step 3: Cross multiply
    10,690.36x = 14,752.64 × 5,910.56
  4. Step 4: Simplify right side
    10,690.36x = 87,196,363.88
  5. Step 5: Solve for x
    x = 87,196,363.88/10,690.36
  6. Step 6: Final answer
    x = 8,156.54

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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.