Home / 7,329.42-10,116.36-4,187.43

Finding the Fourth Proportional to 7,329.42, 10,116.36 and 4,187.43

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Solution

The fourth proportional to 7,329.42, 10,116.36 and 4,187.43 is: 5,779.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.42 : 10,116.36 = 4,187.43 : x
  2. Step 2: Convert to fraction form
    7,329.42/10,116.36 = 4,187.43/x
  3. Step 3: Cross multiply
    7,329.42x = 10,116.36 × 4,187.43
  4. Step 4: Simplify right side
    7,329.42x = 42,361,549.35
  5. Step 5: Solve for x
    x = 42,361,549.35/7,329.42
  6. Step 6: Final answer
    x = 5,779.66

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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.