Home / 8,785.96-12,124.66-4,807.06

Finding the Fourth Proportional to 8,785.96, 12,124.66 and 4,807.06

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Solution

The fourth proportional to 8,785.96, 12,124.66 and 4,807.06 is: 6,633.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.96 : 12,124.66 = 4,807.06 : x
  2. Step 2: Convert to fraction form
    8,785.96/12,124.66 = 4,807.06/x
  3. Step 3: Cross multiply
    8,785.96x = 12,124.66 × 4,807.06
  4. Step 4: Simplify right side
    8,785.96x = 58,283,986.39
  5. Step 5: Solve for x
    x = 58,283,986.39/8,785.96
  6. Step 6: Final answer
    x = 6,633.76

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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.