Home / 10,170.63-14,035.28-6,627.15

Finding the Fourth Proportional to 10,170.63, 14,035.28 and 6,627.15

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Solution

The fourth proportional to 10,170.63, 14,035.28 and 6,627.15 is: 9,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,170.63 : 14,035.28 = 6,627.15 : x
  2. Step 2: Convert to fraction form
    10,170.63/14,035.28 = 6,627.15/x
  3. Step 3: Cross multiply
    10,170.63x = 14,035.28 × 6,627.15
  4. Step 4: Simplify right side
    10,170.63x = 93,013,872.72
  5. Step 5: Solve for x
    x = 93,013,872.72/10,170.63
  6. Step 6: Final answer
    x = 9,145.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.