Home / 10,568.70-14,567.28-7,579.80

Finding the Fourth Proportional to 10,568.70, 14,567.28 and 7,579.80

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Solution

The fourth proportional to 10,568.70, 14,567.28 and 7,579.80 is: 10,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,568.70 : 14,567.28 = 7,579.80 : x
  2. Step 2: Convert to fraction form
    10,568.70/14,567.28 = 7,579.80/x
  3. Step 3: Cross multiply
    10,568.70x = 14,567.28 × 7,579.80
  4. Step 4: Simplify right side
    10,568.70x = 110,417,068.94
  5. Step 5: Solve for x
    x = 110,417,068.94/10,568.70
  6. Step 6: Final answer
    x = 10,447.55

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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.