Home / 11,405.32-17,106.54-4,484.68

Finding the Fourth Proportional to 11,405.32, 17,106.54 and 4,484.68

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Solution

The fourth proportional to 11,405.32, 17,106.54 and 4,484.68 is: 6,726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405.32 : 17,106.54 = 4,484.68 : x
  2. Step 2: Convert to fraction form
    11,405.32/17,106.54 = 4,484.68/x
  3. Step 3: Cross multiply
    11,405.32x = 17,106.54 × 4,484.68
  4. Step 4: Simplify right side
    11,405.32x = 76,717,357.81
  5. Step 5: Solve for x
    x = 76,717,357.81/11,405.32
  6. Step 6: Final answer
    x = 6,726.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.