Home / 12,369.48-18,546.12-5,703.24

Finding the Fourth Proportional to 12,369.48, 18,546.12 and 5,703.24

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Solution

The fourth proportional to 12,369.48, 18,546.12 and 5,703.24 is: 8,551.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.48 : 18,546.12 = 5,703.24 : x
  2. Step 2: Convert to fraction form
    12,369.48/18,546.12 = 5,703.24/x
  3. Step 3: Cross multiply
    12,369.48x = 18,546.12 × 5,703.24
  4. Step 4: Simplify right side
    12,369.48x = 105,772,973.43
  5. Step 5: Solve for x
    x = 105,772,973.43/12,369.48
  6. Step 6: Final answer
    x = 8,551.13

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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.