Home / 12,047.95-16,626.40-6,742.76

Finding the Fourth Proportional to 12,047.95, 16,626.40 and 6,742.76

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Solution

The fourth proportional to 12,047.95, 16,626.40 and 6,742.76 is: 9,305.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047.95 : 16,626.40 = 6,742.76 : x
  2. Step 2: Convert to fraction form
    12,047.95/16,626.40 = 6,742.76/x
  3. Step 3: Cross multiply
    12,047.95x = 16,626.40 × 6,742.76
  4. Step 4: Simplify right side
    12,047.95x = 112,107,734.03
  5. Step 5: Solve for x
    x = 112,107,734.03/12,047.95
  6. Step 6: Final answer
    x = 9,305.13

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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.