Home / 12,201.24-18,289.29-4,802.70

Finding the Fourth Proportional to 12,201.24, 18,289.29 and 4,802.70

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Solution

The fourth proportional to 12,201.24, 18,289.29 and 4,802.70 is: 7,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201.24 : 18,289.29 = 4,802.70 : x
  2. Step 2: Convert to fraction form
    12,201.24/18,289.29 = 4,802.70/x
  3. Step 3: Cross multiply
    12,201.24x = 18,289.29 × 4,802.70
  4. Step 4: Simplify right side
    12,201.24x = 87,837,973.08
  5. Step 5: Solve for x
    x = 87,837,973.08/12,201.24
  6. Step 6: Final answer
    x = 7,199.10

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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.