Home / 10,117.51-15,172.62-4,274.57

Finding the Fourth Proportional to 10,117.51, 15,172.62 and 4,274.57

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Solution

The fourth proportional to 10,117.51, 15,172.62 and 4,274.57 is: 6,410.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.51 : 15,172.62 = 4,274.57 : x
  2. Step 2: Convert to fraction form
    10,117.51/15,172.62 = 4,274.57/x
  3. Step 3: Cross multiply
    10,117.51x = 15,172.62 × 4,274.57
  4. Step 4: Simplify right side
    10,117.51x = 64,856,448.18
  5. Step 5: Solve for x
    x = 64,856,448.18/10,117.51
  6. Step 6: Final answer
    x = 6,410.32

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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.