Home / 11,376.16-15,700.37-6,340.84

Finding the Fourth Proportional to 11,376.16, 15,700.37 and 6,340.84

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Solution

The fourth proportional to 11,376.16, 15,700.37 and 6,340.84 is: 8,751.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.16 : 15,700.37 = 6,340.84 : x
  2. Step 2: Convert to fraction form
    11,376.16/15,700.37 = 6,340.84/x
  3. Step 3: Cross multiply
    11,376.16x = 15,700.37 × 6,340.84
  4. Step 4: Simplify right side
    11,376.16x = 99,553,423.90
  5. Step 5: Solve for x
    x = 99,553,423.90/11,376.16
  6. Step 6: Final answer
    x = 8,751.06

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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.