Home / 10,363.70-15,547.26-4,123.75

Finding the Fourth Proportional to 10,363.70, 15,547.26 and 4,123.75

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Solution

The fourth proportional to 10,363.70, 15,547.26 and 4,123.75 is: 6,186.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.70 : 15,547.26 = 4,123.75 : x
  2. Step 2: Convert to fraction form
    10,363.70/15,547.26 = 4,123.75/x
  3. Step 3: Cross multiply
    10,363.70x = 15,547.26 × 4,123.75
  4. Step 4: Simplify right side
    10,363.70x = 64,113,013.43
  5. Step 5: Solve for x
    x = 64,113,013.43/10,363.70
  6. Step 6: Final answer
    x = 6,186.31

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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.