Home / 10,678.40-14,736.42-5,962.68

Finding the Fourth Proportional to 10,678.40, 14,736.42 and 5,962.68

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Solution

The fourth proportional to 10,678.40, 14,736.42 and 5,962.68 is: 8,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678.40 : 14,736.42 = 5,962.68 : x
  2. Step 2: Convert to fraction form
    10,678.40/14,736.42 = 5,962.68/x
  3. Step 3: Cross multiply
    10,678.40x = 14,736.42 × 5,962.68
  4. Step 4: Simplify right side
    10,678.40x = 87,868,556.81
  5. Step 5: Solve for x
    x = 87,868,556.81/10,678.40
  6. Step 6: Final answer
    x = 8,228.63

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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.