Home / 12,856.54-19,283.38-4,535.01

Finding the Fourth Proportional to 12,856.54, 19,283.38 and 4,535.01

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Solution

The fourth proportional to 12,856.54, 19,283.38 and 4,535.01 is: 6,802.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856.54 : 19,283.38 = 4,535.01 : x
  2. Step 2: Convert to fraction form
    12,856.54/19,283.38 = 4,535.01/x
  3. Step 3: Cross multiply
    12,856.54x = 19,283.38 × 4,535.01
  4. Step 4: Simplify right side
    12,856.54x = 87,450,321.13
  5. Step 5: Solve for x
    x = 87,450,321.13/12,856.54
  6. Step 6: Final answer
    x = 6,802.01

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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.