Home / 11,353.15-15,666.51-6,317.25

Finding the Fourth Proportional to 11,353.15, 15,666.51 and 6,317.25

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Solution

The fourth proportional to 11,353.15, 15,666.51 and 6,317.25 is: 8,717.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,353.15 : 15,666.51 = 6,317.25 : x
  2. Step 2: Convert to fraction form
    11,353.15/15,666.51 = 6,317.25/x
  3. Step 3: Cross multiply
    11,353.15x = 15,666.51 × 6,317.25
  4. Step 4: Simplify right side
    11,353.15x = 98,969,260.30
  5. Step 5: Solve for x
    x = 98,969,260.30/11,353.15
  6. Step 6: Final answer
    x = 8,717.34

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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.