Home / 7,477.61-11,215.71-2,283.48

Finding the Fourth Proportional to 7,477.61, 11,215.71 and 2,283.48

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Solution

The fourth proportional to 7,477.61, 11,215.71 and 2,283.48 is: 3,425.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.61 : 11,215.71 = 2,283.48 : x
  2. Step 2: Convert to fraction form
    7,477.61/11,215.71 = 2,283.48/x
  3. Step 3: Cross multiply
    7,477.61x = 11,215.71 × 2,283.48
  4. Step 4: Simplify right side
    7,477.61x = 25,610,849.47
  5. Step 5: Solve for x
    x = 25,610,849.47/7,477.61
  6. Step 6: Final answer
    x = 3,425.01

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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.