Home / 30,201.02-45,283.64-9,134.68

Finding the Fourth Proportional to 30,201.02, 45,283.64 and 9,134.68

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Solution

The fourth proportional to 30,201.02, 45,283.64 and 9,134.68 is: 13,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,201.02 : 45,283.64 = 9,134.68 : x
  2. Step 2: Convert to fraction form
    30,201.02/45,283.64 = 9,134.68/x
  3. Step 3: Cross multiply
    30,201.02x = 45,283.64 × 9,134.68
  4. Step 4: Simplify right side
    30,201.02x = 413,651,334.22
  5. Step 5: Solve for x
    x = 413,651,334.22/30,201.02
  6. Step 6: Final answer
    x = 13,696.60

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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.