Home / 8,025.51-12,038.58-2,478.36

Finding the Fourth Proportional to 8,025.51, 12,038.58 and 2,478.36

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Solution

The fourth proportional to 8,025.51, 12,038.58 and 2,478.36 is: 3,717.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,025.51 : 12,038.58 = 2,478.36 : x
  2. Step 2: Convert to fraction form
    8,025.51/12,038.58 = 2,478.36/x
  3. Step 3: Cross multiply
    8,025.51x = 12,038.58 × 2,478.36
  4. Step 4: Simplify right side
    8,025.51x = 29,835,935.13
  5. Step 5: Solve for x
    x = 29,835,935.13/8,025.51
  6. Step 6: Final answer
    x = 3,717.64

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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.