Home / 10,175.47-15,263.81-3,156.14

Finding the Fourth Proportional to 10,175.47, 15,263.81 and 3,156.14

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Solution

The fourth proportional to 10,175.47, 15,263.81 and 3,156.14 is: 4,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.47 : 15,263.81 = 3,156.14 : x
  2. Step 2: Convert to fraction form
    10,175.47/15,263.81 = 3,156.14/x
  3. Step 3: Cross multiply
    10,175.47x = 15,263.81 × 3,156.14
  4. Step 4: Simplify right side
    10,175.47x = 48,174,721.29
  5. Step 5: Solve for x
    x = 48,174,721.29/10,175.47
  6. Step 6: Final answer
    x = 4,734.40

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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.