Home / 12,848.76-19,275.72-5,453.16

Finding the Fourth Proportional to 12,848.76, 19,275.72 and 5,453.16

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Solution

The fourth proportional to 12,848.76, 19,275.72 and 5,453.16 is: 8,180.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848.76 : 19,275.72 = 5,453.16 : x
  2. Step 2: Convert to fraction form
    12,848.76/19,275.72 = 5,453.16/x
  3. Step 3: Cross multiply
    12,848.76x = 19,275.72 × 5,453.16
  4. Step 4: Simplify right side
    12,848.76x = 105,113,585.28
  5. Step 5: Solve for x
    x = 105,113,585.28/12,848.76
  6. Step 6: Final answer
    x = 8,180.83

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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.