Home / 7,829.96-10,805.28-4,293.20

Finding the Fourth Proportional to 7,829.96, 10,805.28 and 4,293.20

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Solution

The fourth proportional to 7,829.96, 10,805.28 and 4,293.20 is: 5,924.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.96 : 10,805.28 = 4,293.20 : x
  2. Step 2: Convert to fraction form
    7,829.96/10,805.28 = 4,293.20/x
  3. Step 3: Cross multiply
    7,829.96x = 10,805.28 × 4,293.20
  4. Step 4: Simplify right side
    7,829.96x = 46,389,228.10
  5. Step 5: Solve for x
    x = 46,389,228.10/7,829.96
  6. Step 6: Final answer
    x = 5,924.58

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1.5x scale

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.