Home / 11,125.35-15,352.54-6,345.54

Finding the Fourth Proportional to 11,125.35, 15,352.54 and 6,345.54

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Solution

The fourth proportional to 11,125.35, 15,352.54 and 6,345.54 is: 8,756.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.35 : 15,352.54 = 6,345.54 : x
  2. Step 2: Convert to fraction form
    11,125.35/15,352.54 = 6,345.54/x
  3. Step 3: Cross multiply
    11,125.35x = 15,352.54 × 6,345.54
  4. Step 4: Simplify right side
    11,125.35x = 97,420,140.81
  5. Step 5: Solve for x
    x = 97,420,140.81/11,125.35
  6. Step 6: Final answer
    x = 8,756.59

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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.