Home / 12,303.48-18,455.70-4,908.60

Finding the Fourth Proportional to 12,303.48, 18,455.70 and 4,908.60

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Solution

The fourth proportional to 12,303.48, 18,455.70 and 4,908.60 is: 7,363.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.48 : 18,455.70 = 4,908.60 : x
  2. Step 2: Convert to fraction form
    12,303.48/18,455.70 = 4,908.60/x
  3. Step 3: Cross multiply
    12,303.48x = 18,455.70 × 4,908.60
  4. Step 4: Simplify right side
    12,303.48x = 90,591,649.02
  5. Step 5: Solve for x
    x = 90,591,649.02/12,303.48
  6. Step 6: Final answer
    x = 7,363.09

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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.