Home / 12,716.58-19,050.28-7,153.02

Finding the Fourth Proportional to 12,716.58, 19,050.28 and 7,153.02

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Solution

The fourth proportional to 12,716.58, 19,050.28 and 7,153.02 is: 10,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716.58 : 19,050.28 = 7,153.02 : x
  2. Step 2: Convert to fraction form
    12,716.58/19,050.28 = 7,153.02/x
  3. Step 3: Cross multiply
    12,716.58x = 19,050.28 × 7,153.02
  4. Step 4: Simplify right side
    12,716.58x = 136,267,073.99
  5. Step 5: Solve for x
    x = 136,267,073.99/12,716.58
  6. Step 6: Final answer
    x = 10,715.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.