Home / 11,214.54-15,475.27-6,740.76

Finding the Fourth Proportional to 11,214.54, 15,475.27 and 6,740.76

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Solution

The fourth proportional to 11,214.54, 15,475.27 and 6,740.76 is: 9,301.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.54 : 15,475.27 = 6,740.76 : x
  2. Step 2: Convert to fraction form
    11,214.54/15,475.27 = 6,740.76/x
  3. Step 3: Cross multiply
    11,214.54x = 15,475.27 × 6,740.76
  4. Step 4: Simplify right side
    11,214.54x = 104,315,081.01
  5. Step 5: Solve for x
    x = 104,315,081.01/11,214.54
  6. Step 6: Final answer
    x = 9,301.77

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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.