Home / 8,432.22-11,641.13-5,075.87

Finding the Fourth Proportional to 8,432.22, 11,641.13 and 5,075.87

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Solution

The fourth proportional to 8,432.22, 11,641.13 and 5,075.87 is: 7,007.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.22 : 11,641.13 = 5,075.87 : x
  2. Step 2: Convert to fraction form
    8,432.22/11,641.13 = 5,075.87/x
  3. Step 3: Cross multiply
    8,432.22x = 11,641.13 × 5,075.87
  4. Step 4: Simplify right side
    8,432.22x = 59,088,797.98
  5. Step 5: Solve for x
    x = 59,088,797.98/8,432.22
  6. Step 6: Final answer
    x = 7,007.50

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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.