Home / 10,513.48-15,763.56-4,959.04

Finding the Fourth Proportional to 10,513.48, 15,763.56 and 4,959.04

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Solution

The fourth proportional to 10,513.48, 15,763.56 and 4,959.04 is: 7,435.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513.48 : 15,763.56 = 4,959.04 : x
  2. Step 2: Convert to fraction form
    10,513.48/15,763.56 = 4,959.04/x
  3. Step 3: Cross multiply
    10,513.48x = 15,763.56 × 4,959.04
  4. Step 4: Simplify right side
    10,513.48x = 78,172,124.58
  5. Step 5: Solve for x
    x = 78,172,124.58/10,513.48
  6. Step 6: Final answer
    x = 7,435.42

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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.