Home / 11,054.27-15,254.65-6,455.84

Finding the Fourth Proportional to 11,054.27, 15,254.65 and 6,455.84

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Solution

The fourth proportional to 11,054.27, 15,254.65 and 6,455.84 is: 8,908.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.27 : 15,254.65 = 6,455.84 : x
  2. Step 2: Convert to fraction form
    11,054.27/15,254.65 = 6,455.84/x
  3. Step 3: Cross multiply
    11,054.27x = 15,254.65 × 6,455.84
  4. Step 4: Simplify right side
    11,054.27x = 98,481,552.19
  5. Step 5: Solve for x
    x = 98,481,552.19/11,054.27
  6. Step 6: Final answer
    x = 8,908.92

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Double scale
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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.