Home / 12,655.19-18,985.08-6,333.36

Finding the Fourth Proportional to 12,655.19, 18,985.08 and 6,333.36

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Solution

The fourth proportional to 12,655.19, 18,985.08 and 6,333.36 is: 9,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,655.19 : 18,985.08 = 6,333.36 : x
  2. Step 2: Convert to fraction form
    12,655.19/18,985.08 = 6,333.36/x
  3. Step 3: Cross multiply
    12,655.19x = 18,985.08 × 6,333.36
  4. Step 4: Simplify right side
    12,655.19x = 120,239,459.01
  5. Step 5: Solve for x
    x = 120,239,459.01/12,655.19
  6. Step 6: Final answer
    x = 9,501.20

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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.