Home / 10,207.76-14,088.66-6,627.20

Finding the Fourth Proportional to 10,207.76, 14,088.66 and 6,627.20

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Solution

The fourth proportional to 10,207.76, 14,088.66 and 6,627.20 is: 9,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.76 : 14,088.66 = 6,627.20 : x
  2. Step 2: Convert to fraction form
    10,207.76/14,088.66 = 6,627.20/x
  3. Step 3: Cross multiply
    10,207.76x = 14,088.66 × 6,627.20
  4. Step 4: Simplify right side
    10,207.76x = 93,368,367.55
  5. Step 5: Solve for x
    x = 93,368,367.55/10,207.76
  6. Step 6: Final answer
    x = 9,146.80

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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.