Home / 10,430.96-14,394.90-5,714.94

Finding the Fourth Proportional to 10,430.96, 14,394.90 and 5,714.94

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Solution

The fourth proportional to 10,430.96, 14,394.90 and 5,714.94 is: 7,886.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.96 : 14,394.90 = 5,714.94 : x
  2. Step 2: Convert to fraction form
    10,430.96/14,394.90 = 5,714.94/x
  3. Step 3: Cross multiply
    10,430.96x = 14,394.90 × 5,714.94
  4. Step 4: Simplify right side
    10,430.96x = 82,265,989.81
  5. Step 5: Solve for x
    x = 82,265,989.81/10,430.96
  6. Step 6: Final answer
    x = 7,886.71

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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.