Home / 7,854.07-10,838.72-4,317.25

Finding the Fourth Proportional to 7,854.07, 10,838.72 and 4,317.25

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Solution

The fourth proportional to 7,854.07, 10,838.72 and 4,317.25 is: 5,957.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.07 : 10,838.72 = 4,317.25 : x
  2. Step 2: Convert to fraction form
    7,854.07/10,838.72 = 4,317.25/x
  3. Step 3: Cross multiply
    7,854.07x = 10,838.72 × 4,317.25
  4. Step 4: Simplify right side
    7,854.07x = 46,793,463.92
  5. Step 5: Solve for x
    x = 46,793,463.92/7,854.07
  6. Step 6: Final answer
    x = 5,957.86

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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.