Home / 8,064.71-11,140.51-7,670.60

Finding the Fourth Proportional to 8,064.71, 11,140.51 and 7,670.60

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Solution

The fourth proportional to 8,064.71, 11,140.51 and 7,670.60 is: 10,596.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.71 : 11,140.51 = 7,670.60 : x
  2. Step 2: Convert to fraction form
    8,064.71/11,140.51 = 7,670.60/x
  3. Step 3: Cross multiply
    8,064.71x = 11,140.51 × 7,670.60
  4. Step 4: Simplify right side
    8,064.71x = 85,454,396.01
  5. Step 5: Solve for x
    x = 85,454,396.01/8,064.71
  6. Step 6: Final answer
    x = 10,596.09

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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.