Home / 12,369.48-18,551.66-4,365.33

Finding the Fourth Proportional to 12,369.48, 18,551.66 and 4,365.33

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Solution

The fourth proportional to 12,369.48, 18,551.66 and 4,365.33 is: 6,547.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.48 : 18,551.66 = 4,365.33 : x
  2. Step 2: Convert to fraction form
    12,369.48/18,551.66 = 4,365.33/x
  3. Step 3: Cross multiply
    12,369.48x = 18,551.66 × 4,365.33
  4. Step 4: Simplify right side
    12,369.48x = 80,984,096.12
  5. Step 5: Solve for x
    x = 80,984,096.12/12,369.48
  6. Step 6: Final answer
    x = 6,547.09

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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.