Home / 8,280.41-11,417.40-6,600.51

Finding the Fourth Proportional to 8,280.41, 11,417.40 and 6,600.51

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Solution

The fourth proportional to 8,280.41, 11,417.40 and 6,600.51 is: 9,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.41 : 11,417.40 = 6,600.51 : x
  2. Step 2: Convert to fraction form
    8,280.41/11,417.40 = 6,600.51/x
  3. Step 3: Cross multiply
    8,280.41x = 11,417.40 × 6,600.51
  4. Step 4: Simplify right side
    8,280.41x = 75,360,662.87
  5. Step 5: Solve for x
    x = 75,360,662.87/8,280.41
  6. Step 6: Final answer
    x = 9,101.08

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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.