Home / 7,854.15-10,838.73-4,317.59

Finding the Fourth Proportional to 7,854.15, 10,838.73 and 4,317.59

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Solution

The fourth proportional to 7,854.15, 10,838.73 and 4,317.59 is: 5,958.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.15 : 10,838.73 = 4,317.59 : x
  2. Step 2: Convert to fraction form
    7,854.15/10,838.73 = 4,317.59/x
  3. Step 3: Cross multiply
    7,854.15x = 10,838.73 × 4,317.59
  4. Step 4: Simplify right side
    7,854.15x = 46,797,192.26
  5. Step 5: Solve for x
    x = 46,797,192.26/7,854.15
  6. Step 6: Final answer
    x = 5,958.28

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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.