Home / 8,983.34-13,505.42-7,240.58

Finding the Fourth Proportional to 8,983.34, 13,505.42 and 7,240.58

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Solution

The fourth proportional to 8,983.34, 13,505.42 and 7,240.58 is: 10,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.34 : 13,505.42 = 7,240.58 : x
  2. Step 2: Convert to fraction form
    8,983.34/13,505.42 = 7,240.58/x
  3. Step 3: Cross multiply
    8,983.34x = 13,505.42 × 7,240.58
  4. Step 4: Simplify right side
    8,983.34x = 97,786,970.21
  5. Step 5: Solve for x
    x = 97,786,970.21/8,983.34
  6. Step 6: Final answer
    x = 10,885.37

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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.