Home / 8,598.40-12,896.96-5,133.04

Finding the Fourth Proportional to 8,598.40, 12,896.96 and 5,133.04

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Solution

The fourth proportional to 8,598.40, 12,896.96 and 5,133.04 is: 7,699.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.40 : 12,896.96 = 5,133.04 : x
  2. Step 2: Convert to fraction form
    8,598.40/12,896.96 = 5,133.04/x
  3. Step 3: Cross multiply
    8,598.40x = 12,896.96 × 5,133.04
  4. Step 4: Simplify right side
    8,598.40x = 66,200,611.56
  5. Step 5: Solve for x
    x = 66,200,611.56/8,598.40
  6. Step 6: Final answer
    x = 7,699.18

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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.