Home / 8,630.56-11,903.32-5,602.36

Finding the Fourth Proportional to 8,630.56, 11,903.32 and 5,602.36

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Solution

The fourth proportional to 8,630.56, 11,903.32 and 5,602.36 is: 7,726.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.56 : 11,903.32 = 5,602.36 : x
  2. Step 2: Convert to fraction form
    8,630.56/11,903.32 = 5,602.36/x
  3. Step 3: Cross multiply
    8,630.56x = 11,903.32 × 5,602.36
  4. Step 4: Simplify right side
    8,630.56x = 66,686,683.84
  5. Step 5: Solve for x
    x = 66,686,683.84/8,630.56
  6. Step 6: Final answer
    x = 7,726.81

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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.