Home / 8,510.32-11,735.99-5,677.81

Finding the Fourth Proportional to 8,510.32, 11,735.99 and 5,677.81

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Solution

The fourth proportional to 8,510.32, 11,735.99 and 5,677.81 is: 7,829.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.32 : 11,735.99 = 5,677.81 : x
  2. Step 2: Convert to fraction form
    8,510.32/11,735.99 = 5,677.81/x
  3. Step 3: Cross multiply
    8,510.32x = 11,735.99 × 5,677.81
  4. Step 4: Simplify right side
    8,510.32x = 66,634,673.59
  5. Step 5: Solve for x
    x = 66,634,673.59/8,510.32
  6. Step 6: Final answer
    x = 7,829.87

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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.