Home / 7,955.88-11,938.45-3,276.36

Finding the Fourth Proportional to 7,955.88, 11,938.45 and 3,276.36

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Solution

The fourth proportional to 7,955.88, 11,938.45 and 3,276.36 is: 4,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.88 : 11,938.45 = 3,276.36 : x
  2. Step 2: Convert to fraction form
    7,955.88/11,938.45 = 3,276.36/x
  3. Step 3: Cross multiply
    7,955.88x = 11,938.45 × 3,276.36
  4. Step 4: Simplify right side
    7,955.88x = 39,114,666.77
  5. Step 5: Solve for x
    x = 39,114,666.77/7,955.88
  6. Step 6: Final answer
    x = 4,916.45

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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.