Home / 10,848.32-16,272.48-4,275.20

Finding the Fourth Proportional to 10,848.32, 16,272.48 and 4,275.20

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Solution

The fourth proportional to 10,848.32, 16,272.48 and 4,275.20 is: 6,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,848.32 : 16,272.48 = 4,275.20 : x
  2. Step 2: Convert to fraction form
    10,848.32/16,272.48 = 4,275.20/x
  3. Step 3: Cross multiply
    10,848.32x = 16,272.48 × 4,275.20
  4. Step 4: Simplify right side
    10,848.32x = 69,568,106.50
  5. Step 5: Solve for x
    x = 69,568,106.50/10,848.32
  6. Step 6: Final answer
    x = 6,412.80

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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.