Home / 8,066.40-11,125.74-4,923.60

Finding the Fourth Proportional to 8,066.40, 11,125.74 and 4,923.60

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Solution

The fourth proportional to 8,066.40, 11,125.74 and 4,923.60 is: 6,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066.40 : 11,125.74 = 4,923.60 : x
  2. Step 2: Convert to fraction form
    8,066.40/11,125.74 = 4,923.60/x
  3. Step 3: Cross multiply
    8,066.40x = 11,125.74 × 4,923.60
  4. Step 4: Simplify right side
    8,066.40x = 54,778,693.46
  5. Step 5: Solve for x
    x = 54,778,693.46/8,066.40
  6. Step 6: Final answer
    x = 6,790.97

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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.