Home / 9,340.80-14,011.56-2,415.12

Finding the Fourth Proportional to 9,340.80, 14,011.56 and 2,415.12

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Solution

The fourth proportional to 9,340.80, 14,011.56 and 2,415.12 is: 3,622.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340.80 : 14,011.56 = 2,415.12 : x
  2. Step 2: Convert to fraction form
    9,340.80/14,011.56 = 2,415.12/x
  3. Step 3: Cross multiply
    9,340.80x = 14,011.56 × 2,415.12
  4. Step 4: Simplify right side
    9,340.80x = 33,839,598.79
  5. Step 5: Solve for x
    x = 33,839,598.79/9,340.80
  6. Step 6: Final answer
    x = 3,622.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.