Home / 8,716.64-12,028.23-4,938.93

Finding the Fourth Proportional to 8,716.64, 12,028.23 and 4,938.93

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Solution

The fourth proportional to 8,716.64, 12,028.23 and 4,938.93 is: 6,815.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.64 : 12,028.23 = 4,938.93 : x
  2. Step 2: Convert to fraction form
    8,716.64/12,028.23 = 4,938.93/x
  3. Step 3: Cross multiply
    8,716.64x = 12,028.23 × 4,938.93
  4. Step 4: Simplify right side
    8,716.64x = 59,406,585.99
  5. Step 5: Solve for x
    x = 59,406,585.99/8,716.64
  6. Step 6: Final answer
    x = 6,815.31

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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.