Home / 12,968.48-17,877.84-9,236

Finding the Fourth Proportional to 12,968.48, 17,877.84 and 9,236

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Solution

The fourth proportional to 12,968.48, 17,877.84 and 9,236 is: 12,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968.48 : 17,877.84 = 9,236 : x
  2. Step 2: Convert to fraction form
    12,968.48/17,877.84 = 9,236/x
  3. Step 3: Cross multiply
    12,968.48x = 17,877.84 × 9,236
  4. Step 4: Simplify right side
    12,968.48x = 165,119,730.24
  5. Step 5: Solve for x
    x = 165,119,730.24/12,968.48
  6. Step 6: Final answer
    x = 12,732.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.