Home / 11,124.64-15,353.73-6,344.59

Finding the Fourth Proportional to 11,124.64, 15,353.73 and 6,344.59

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Solution

The fourth proportional to 11,124.64, 15,353.73 and 6,344.59 is: 8,756.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.64 : 15,353.73 = 6,344.59 : x
  2. Step 2: Convert to fraction form
    11,124.64/15,353.73 = 6,344.59/x
  3. Step 3: Cross multiply
    11,124.64x = 15,353.73 × 6,344.59
  4. Step 4: Simplify right side
    11,124.64x = 97,413,090.10
  5. Step 5: Solve for x
    x = 97,413,090.10/11,124.64
  6. Step 6: Final answer
    x = 8,756.52

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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.