Home / 8,955.96-13,435.40-3,114.24

Finding the Fourth Proportional to 8,955.96, 13,435.40 and 3,114.24

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Solution

The fourth proportional to 8,955.96, 13,435.40 and 3,114.24 is: 4,671.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.96 : 13,435.40 = 3,114.24 : x
  2. Step 2: Convert to fraction form
    8,955.96/13,435.40 = 3,114.24/x
  3. Step 3: Cross multiply
    8,955.96x = 13,435.40 × 3,114.24
  4. Step 4: Simplify right side
    8,955.96x = 41,841,060.10
  5. Step 5: Solve for x
    x = 41,841,060.10/8,955.96
  6. Step 6: Final answer
    x = 4,671.87

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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.