Home / 12,259.48-18,389.18-5,241.64

Finding the Fourth Proportional to 12,259.48, 18,389.18 and 5,241.64

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Solution

The fourth proportional to 12,259.48, 18,389.18 and 5,241.64 is: 7,862.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.48 : 18,389.18 = 5,241.64 : x
  2. Step 2: Convert to fraction form
    12,259.48/18,389.18 = 5,241.64/x
  3. Step 3: Cross multiply
    12,259.48x = 18,389.18 × 5,241.64
  4. Step 4: Simplify right side
    12,259.48x = 96,389,461.46
  5. Step 5: Solve for x
    x = 96,389,461.46/12,259.48
  6. Step 6: Final answer
    x = 7,862.44

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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.