Home / 12,459.84-18,662.96-5,876.16

Finding the Fourth Proportional to 12,459.84, 18,662.96 and 5,876.16

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Solution

The fourth proportional to 12,459.84, 18,662.96 and 5,876.16 is: 8,801.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459.84 : 18,662.96 = 5,876.16 : x
  2. Step 2: Convert to fraction form
    12,459.84/18,662.96 = 5,876.16/x
  3. Step 3: Cross multiply
    12,459.84x = 18,662.96 × 5,876.16
  4. Step 4: Simplify right side
    12,459.84x = 109,666,539.03
  5. Step 5: Solve for x
    x = 109,666,539.03/12,459.84
  6. Step 6: Final answer
    x = 8,801.60

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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.