Home / 12,030.24-18,042.88-4,632.16

Finding the Fourth Proportional to 12,030.24, 18,042.88 and 4,632.16

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Solution

The fourth proportional to 12,030.24, 18,042.88 and 4,632.16 is: 6,947.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.24 : 18,042.88 = 4,632.16 : x
  2. Step 2: Convert to fraction form
    12,030.24/18,042.88 = 4,632.16/x
  3. Step 3: Cross multiply
    12,030.24x = 18,042.88 × 4,632.16
  4. Step 4: Simplify right side
    12,030.24x = 83,577,507.02
  5. Step 5: Solve for x
    x = 83,577,507.02/12,030.24
  6. Step 6: Final answer
    x = 6,947.29

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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.