Home / 12,014.85-16,580.95-6,637.56

Finding the Fourth Proportional to 12,014.85, 16,580.95 and 6,637.56

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Solution

The fourth proportional to 12,014.85, 16,580.95 and 6,637.56 is: 9,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.85 : 16,580.95 = 6,637.56 : x
  2. Step 2: Convert to fraction form
    12,014.85/16,580.95 = 6,637.56/x
  3. Step 3: Cross multiply
    12,014.85x = 16,580.95 × 6,637.56
  4. Step 4: Simplify right side
    12,014.85x = 110,056,967.58
  5. Step 5: Solve for x
    x = 110,056,967.58/12,014.85
  6. Step 6: Final answer
    x = 9,160.08

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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.