Home / 7,569.12-11,356.80-2,955.36

Finding the Fourth Proportional to 7,569.12, 11,356.80 and 2,955.36

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Solution

The fourth proportional to 7,569.12, 11,356.80 and 2,955.36 is: 4,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,569.12 : 11,356.80 = 2,955.36 : x
  2. Step 2: Convert to fraction form
    7,569.12/11,356.80 = 2,955.36/x
  3. Step 3: Cross multiply
    7,569.12x = 11,356.80 × 2,955.36
  4. Step 4: Simplify right side
    7,569.12x = 33,563,432.45
  5. Step 5: Solve for x
    x = 33,563,432.45/7,569.12
  6. Step 6: Final answer
    x = 4,434.26

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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.