Home / 10,430.98-14,395.29-5,714.98

Finding the Fourth Proportional to 10,430.98, 14,395.29 and 5,714.98

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Solution

The fourth proportional to 10,430.98, 14,395.29 and 5,714.98 is: 7,886.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.98 : 14,395.29 = 5,714.98 : x
  2. Step 2: Convert to fraction form
    10,430.98/14,395.29 = 5,714.98/x
  3. Step 3: Cross multiply
    10,430.98x = 14,395.29 × 5,714.98
  4. Step 4: Simplify right side
    10,430.98x = 82,268,794.44
  5. Step 5: Solve for x
    x = 82,268,794.44/10,430.98
  6. Step 6: Final answer
    x = 7,886.97

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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.