Home / 8,604.42-11,875.73-5,622.81

Finding the Fourth Proportional to 8,604.42, 11,875.73 and 5,622.81

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Solution

The fourth proportional to 8,604.42, 11,875.73 and 5,622.81 is: 7,760.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.42 : 11,875.73 = 5,622.81 : x
  2. Step 2: Convert to fraction form
    8,604.42/11,875.73 = 5,622.81/x
  3. Step 3: Cross multiply
    8,604.42x = 11,875.73 × 5,622.81
  4. Step 4: Simplify right side
    8,604.42x = 66,774,973.40
  5. Step 5: Solve for x
    x = 66,774,973.40/8,604.42
  6. Step 6: Final answer
    x = 7,760.54

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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.