Home / 11,539.68-15,924.72-6,503.91

Finding the Fourth Proportional to 11,539.68, 15,924.72 and 6,503.91

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Solution

The fourth proportional to 11,539.68, 15,924.72 and 6,503.91 is: 8,975.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.68 : 15,924.72 = 6,503.91 : x
  2. Step 2: Convert to fraction form
    11,539.68/15,924.72 = 6,503.91/x
  3. Step 3: Cross multiply
    11,539.68x = 15,924.72 × 6,503.91
  4. Step 4: Simplify right side
    11,539.68x = 103,572,945.66
  5. Step 5: Solve for x
    x = 103,572,945.66/11,539.68
  6. Step 6: Final answer
    x = 8,975.37

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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.