Home / 10,214.64-14,095.62-5,739.80

Finding the Fourth Proportional to 10,214.64, 14,095.62 and 5,739.80

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Solution

The fourth proportional to 10,214.64, 14,095.62 and 5,739.80 is: 7,920.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.64 : 14,095.62 = 5,739.80 : x
  2. Step 2: Convert to fraction form
    10,214.64/14,095.62 = 5,739.80/x
  3. Step 3: Cross multiply
    10,214.64x = 14,095.62 × 5,739.80
  4. Step 4: Simplify right side
    10,214.64x = 80,905,969.20
  5. Step 5: Solve for x
    x = 80,905,969.20/10,214.64
  6. Step 6: Final answer
    x = 7,920.59

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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.