Home / 8,902.31-13,340.70-4,998.51

Finding the Fourth Proportional to 8,902.31, 13,340.70 and 4,998.51

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Solution

The fourth proportional to 8,902.31, 13,340.70 and 4,998.51 is: 7,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.31 : 13,340.70 = 4,998.51 : x
  2. Step 2: Convert to fraction form
    8,902.31/13,340.70 = 4,998.51/x
  3. Step 3: Cross multiply
    8,902.31x = 13,340.70 × 4,998.51
  4. Step 4: Simplify right side
    8,902.31x = 66,683,622.36
  5. Step 5: Solve for x
    x = 66,683,622.36/8,902.31
  6. Step 6: Final answer
    x = 7,490.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.