Home / 11,572.80-15,970.40-6,267.57

Finding the Fourth Proportional to 11,572.80, 15,970.40 and 6,267.57

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Solution

The fourth proportional to 11,572.80, 15,970.40 and 6,267.57 is: 8,649.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.80 : 15,970.40 = 6,267.57 : x
  2. Step 2: Convert to fraction form
    11,572.80/15,970.40 = 6,267.57/x
  3. Step 3: Cross multiply
    11,572.80x = 15,970.40 × 6,267.57
  4. Step 4: Simplify right side
    11,572.80x = 100,095,568.59
  5. Step 5: Solve for x
    x = 100,095,568.59/11,572.80
  6. Step 6: Final answer
    x = 8,649.21

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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.