Home / 11,124.51-15,353.56-6,344.47

Finding the Fourth Proportional to 11,124.51, 15,353.56 and 6,344.47

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Solution

The fourth proportional to 11,124.51, 15,353.56 and 6,344.47 is: 8,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.51 : 15,353.56 = 6,344.47 : x
  2. Step 2: Convert to fraction form
    11,124.51/15,353.56 = 6,344.47/x
  3. Step 3: Cross multiply
    11,124.51x = 15,353.56 × 6,344.47
  4. Step 4: Simplify right side
    11,124.51x = 97,410,092.32
  5. Step 5: Solve for x
    x = 97,410,092.32/11,124.51
  6. Step 6: Final answer
    x = 8,756.35

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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.