Home / 8,280.24-11,417.40-6,038.16

Finding the Fourth Proportional to 8,280.24, 11,417.40 and 6,038.16

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Solution

The fourth proportional to 8,280.24, 11,417.40 and 6,038.16 is: 8,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.24 : 11,417.40 = 6,038.16 : x
  2. Step 2: Convert to fraction form
    8,280.24/11,417.40 = 6,038.16/x
  3. Step 3: Cross multiply
    8,280.24x = 11,417.40 × 6,038.16
  4. Step 4: Simplify right side
    8,280.24x = 68,940,087.98
  5. Step 5: Solve for x
    x = 68,940,087.98/8,280.24
  6. Step 6: Final answer
    x = 8,325.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.