Home / 10,430.44-14,394.42-5,714.80

Finding the Fourth Proportional to 10,430.44, 14,394.42 and 5,714.80

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Solution

The fourth proportional to 10,430.44, 14,394.42 and 5,714.80 is: 7,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.44 : 14,394.42 = 5,714.80 : x
  2. Step 2: Convert to fraction form
    10,430.44/14,394.42 = 5,714.80/x
  3. Step 3: Cross multiply
    10,430.44x = 14,394.42 × 5,714.80
  4. Step 4: Simplify right side
    10,430.44x = 82,261,231.42
  5. Step 5: Solve for x
    x = 82,261,231.42/10,430.44
  6. Step 6: Final answer
    x = 7,886.65

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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.