Home / 11,340.63-15,650.08-6,305.06

Finding the Fourth Proportional to 11,340.63, 15,650.08 and 6,305.06

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Solution

The fourth proportional to 11,340.63, 15,650.08 and 6,305.06 is: 8,700.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.63 : 15,650.08 = 6,305.06 : x
  2. Step 2: Convert to fraction form
    11,340.63/15,650.08 = 6,305.06/x
  3. Step 3: Cross multiply
    11,340.63x = 15,650.08 × 6,305.06
  4. Step 4: Simplify right side
    11,340.63x = 98,674,716.77
  5. Step 5: Solve for x
    x = 98,674,716.77/11,340.63
  6. Step 6: Final answer
    x = 8,700.99

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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.