Home / 10,738.64-14,819.48-8,045.09

Finding the Fourth Proportional to 10,738.64, 14,819.48 and 8,045.09

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Solution

The fourth proportional to 10,738.64, 14,819.48 and 8,045.09 is: 11,102.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,738.64 : 14,819.48 = 8,045.09 : x
  2. Step 2: Convert to fraction form
    10,738.64/14,819.48 = 8,045.09/x
  3. Step 3: Cross multiply
    10,738.64x = 14,819.48 × 8,045.09
  4. Step 4: Simplify right side
    10,738.64x = 119,224,021.77
  5. Step 5: Solve for x
    x = 119,224,021.77/10,738.64
  6. Step 6: Final answer
    x = 11,102.34

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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.