Home / 12,133.52-18,203.00-4,740.08

Finding the Fourth Proportional to 12,133.52, 18,203.00 and 4,740.08

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Solution

The fourth proportional to 12,133.52, 18,203.00 and 4,740.08 is: 7,111.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.52 : 18,203.00 = 4,740.08 : x
  2. Step 2: Convert to fraction form
    12,133.52/18,203.00 = 4,740.08/x
  3. Step 3: Cross multiply
    12,133.52x = 18,203.00 × 4,740.08
  4. Step 4: Simplify right side
    12,133.52x = 86,283,733.60
  5. Step 5: Solve for x
    x = 86,283,733.60/12,133.52
  6. Step 6: Final answer
    x = 7,111.19

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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.