Home / 10,446.76-14,416.86-5,731.36

Finding the Fourth Proportional to 10,446.76, 14,416.86 and 5,731.36

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Solution

The fourth proportional to 10,446.76, 14,416.86 and 5,731.36 is: 7,909.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,446.76 : 14,416.86 = 5,731.36 : x
  2. Step 2: Convert to fraction form
    10,446.76/14,416.86 = 5,731.36/x
  3. Step 3: Cross multiply
    10,446.76x = 14,416.86 × 5,731.36
  4. Step 4: Simplify right side
    10,446.76x = 82,628,214.73
  5. Step 5: Solve for x
    x = 82,628,214.73/10,446.76
  6. Step 6: Final answer
    x = 7,909.46

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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.