Home / 7,851.16-10,834.88-4,314.36

Finding the Fourth Proportional to 7,851.16, 10,834.88 and 4,314.36

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Solution

The fourth proportional to 7,851.16, 10,834.88 and 4,314.36 is: 5,953.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.16 : 10,834.88 = 4,314.36 : x
  2. Step 2: Convert to fraction form
    7,851.16/10,834.88 = 4,314.36/x
  3. Step 3: Cross multiply
    7,851.16x = 10,834.88 × 4,314.36
  4. Step 4: Simplify right side
    7,851.16x = 46,745,572.88
  5. Step 5: Solve for x
    x = 46,745,572.88/7,851.16
  6. Step 6: Final answer
    x = 5,953.97

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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.