Home / 11,113.31-16,680.40-5,852.21

Finding the Fourth Proportional to 11,113.31, 16,680.40 and 5,852.21

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Solution

The fourth proportional to 11,113.31, 16,680.40 and 5,852.21 is: 8,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.31 : 16,680.40 = 5,852.21 : x
  2. Step 2: Convert to fraction form
    11,113.31/16,680.40 = 5,852.21/x
  3. Step 3: Cross multiply
    11,113.31x = 16,680.40 × 5,852.21
  4. Step 4: Simplify right side
    11,113.31x = 97,617,230.75
  5. Step 5: Solve for x
    x = 97,617,230.75/11,113.31
  6. Step 6: Final answer
    x = 8,783.81

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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.