Home / 12,369.04-18,549.44-5,702.81

Finding the Fourth Proportional to 12,369.04, 18,549.44 and 5,702.81

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Solution

The fourth proportional to 12,369.04, 18,549.44 and 5,702.81 is: 8,552.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.04 : 18,549.44 = 5,702.81 : x
  2. Step 2: Convert to fraction form
    12,369.04/18,549.44 = 5,702.81/x
  3. Step 3: Cross multiply
    12,369.04x = 18,549.44 × 5,702.81
  4. Step 4: Simplify right side
    12,369.04x = 105,783,832.05
  5. Step 5: Solve for x
    x = 105,783,832.05/12,369.04
  6. Step 6: Final answer
    x = 8,552.31

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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.