Home / 7,851.12-10,834.32-5,058.24

Finding the Fourth Proportional to 7,851.12, 10,834.32 and 5,058.24

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Solution

The fourth proportional to 7,851.12, 10,834.32 and 5,058.24 is: 6,980.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.12 : 10,834.32 = 5,058.24 : x
  2. Step 2: Convert to fraction form
    7,851.12/10,834.32 = 5,058.24/x
  3. Step 3: Cross multiply
    7,851.12x = 10,834.32 × 5,058.24
  4. Step 4: Simplify right side
    7,851.12x = 54,802,590.80
  5. Step 5: Solve for x
    x = 54,802,590.80/7,851.12
  6. Step 6: Final answer
    x = 6,980.23

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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.