Home / 12,335.18-18,502.32-5,752.28

Finding the Fourth Proportional to 12,335.18, 18,502.32 and 5,752.28

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Solution

The fourth proportional to 12,335.18, 18,502.32 and 5,752.28 is: 8,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.18 : 18,502.32 = 5,752.28 : x
  2. Step 2: Convert to fraction form
    12,335.18/18,502.32 = 5,752.28/x
  3. Step 3: Cross multiply
    12,335.18x = 18,502.32 × 5,752.28
  4. Step 4: Simplify right side
    12,335.18x = 106,430,525.29
  5. Step 5: Solve for x
    x = 106,430,525.29/12,335.18
  6. Step 6: Final answer
    x = 8,628.21

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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.