Home / 12,027.50-16,598.01-6,722.40

Finding the Fourth Proportional to 12,027.50, 16,598.01 and 6,722.40

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Solution

The fourth proportional to 12,027.50, 16,598.01 and 6,722.40 is: 9,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027.50 : 16,598.01 = 6,722.40 : x
  2. Step 2: Convert to fraction form
    12,027.50/16,598.01 = 6,722.40/x
  3. Step 3: Cross multiply
    12,027.50x = 16,598.01 × 6,722.40
  4. Step 4: Simplify right side
    12,027.50x = 111,578,462.42
  5. Step 5: Solve for x
    x = 111,578,462.42/12,027.50
  6. Step 6: Final answer
    x = 9,276.95

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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.