Home / 9,180.10-12,668.13-5,201.62

Finding the Fourth Proportional to 9,180.10, 12,668.13 and 5,201.62

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Solution

The fourth proportional to 9,180.10, 12,668.13 and 5,201.62 is: 7,178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.10 : 12,668.13 = 5,201.62 : x
  2. Step 2: Convert to fraction form
    9,180.10/12,668.13 = 5,201.62/x
  3. Step 3: Cross multiply
    9,180.10x = 12,668.13 × 5,201.62
  4. Step 4: Simplify right side
    9,180.10x = 65,894,798.37
  5. Step 5: Solve for x
    x = 65,894,798.37/9,180.10
  6. Step 6: Final answer
    x = 7,178.00

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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.