Home / 7,854.14-10,838.21-4,317.35

Finding the Fourth Proportional to 7,854.14, 10,838.21 and 4,317.35

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Solution

The fourth proportional to 7,854.14, 10,838.21 and 4,317.35 is: 5,957.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.14 : 10,838.21 = 4,317.35 : x
  2. Step 2: Convert to fraction form
    7,854.14/10,838.21 = 4,317.35/x
  3. Step 3: Cross multiply
    7,854.14x = 10,838.21 × 4,317.35
  4. Step 4: Simplify right side
    7,854.14x = 46,792,270.17
  5. Step 5: Solve for x
    x = 46,792,270.17/7,854.14
  6. Step 6: Final answer
    x = 5,957.66

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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.