Home / 12,715.17-19,080.05-4,924.59

Finding the Fourth Proportional to 12,715.17, 19,080.05 and 4,924.59

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Solution

The fourth proportional to 12,715.17, 19,080.05 and 4,924.59 is: 7,389.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715.17 : 19,080.05 = 4,924.59 : x
  2. Step 2: Convert to fraction form
    12,715.17/19,080.05 = 4,924.59/x
  3. Step 3: Cross multiply
    12,715.17x = 19,080.05 × 4,924.59
  4. Step 4: Simplify right side
    12,715.17x = 93,961,398.81
  5. Step 5: Solve for x
    x = 93,961,398.81/12,715.17
  6. Step 6: Final answer
    x = 7,389.71

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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.