Home / 8,716.51-12,028.89-4,737.68

Finding the Fourth Proportional to 8,716.51, 12,028.89 and 4,737.68

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Solution

The fourth proportional to 8,716.51, 12,028.89 and 4,737.68 is: 6,538.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.51 : 12,028.89 = 4,737.68 : x
  2. Step 2: Convert to fraction form
    8,716.51/12,028.89 = 4,737.68/x
  3. Step 3: Cross multiply
    8,716.51x = 12,028.89 × 4,737.68
  4. Step 4: Simplify right side
    8,716.51x = 56,989,031.58
  5. Step 5: Solve for x
    x = 56,989,031.58/8,716.51
  6. Step 6: Final answer
    x = 6,538.06

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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.