Home / 7,854.35-10,838.93-4,317.54

Finding the Fourth Proportional to 7,854.35, 10,838.93 and 4,317.54

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Solution

The fourth proportional to 7,854.35, 10,838.93 and 4,317.54 is: 5,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.35 : 10,838.93 = 4,317.54 : x
  2. Step 2: Convert to fraction form
    7,854.35/10,838.93 = 4,317.54/x
  3. Step 3: Cross multiply
    7,854.35x = 10,838.93 × 4,317.54
  4. Step 4: Simplify right side
    7,854.35x = 46,797,492.24
  5. Step 5: Solve for x
    x = 46,797,492.24/7,854.35
  6. Step 6: Final answer
    x = 5,958.17

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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.