Home / 10,918.68-16,298.58-10,107.24

Finding the Fourth Proportional to 10,918.68, 16,298.58 and 10,107.24

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Solution

The fourth proportional to 10,918.68, 16,298.58 and 10,107.24 is: 15,087.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.68 : 16,298.58 = 10,107.24 : x
  2. Step 2: Convert to fraction form
    10,918.68/16,298.58 = 10,107.24/x
  3. Step 3: Cross multiply
    10,918.68x = 16,298.58 × 10,107.24
  4. Step 4: Simplify right side
    10,918.68x = 164,733,659.72
  5. Step 5: Solve for x
    x = 164,733,659.72/10,918.68
  6. Step 6: Final answer
    x = 15,087.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.