Home / 8,237.07-11,372.40-5,409.46

Finding the Fourth Proportional to 8,237.07, 11,372.40 and 5,409.46

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Solution

The fourth proportional to 8,237.07, 11,372.40 and 5,409.46 is: 7,468.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.07 : 11,372.40 = 5,409.46 : x
  2. Step 2: Convert to fraction form
    8,237.07/11,372.40 = 5,409.46/x
  3. Step 3: Cross multiply
    8,237.07x = 11,372.40 × 5,409.46
  4. Step 4: Simplify right side
    8,237.07x = 61,518,542.90
  5. Step 5: Solve for x
    x = 61,518,542.90/8,237.07
  6. Step 6: Final answer
    x = 7,468.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.