Home / 7,814.96-10,784.71-4,628.43

Finding the Fourth Proportional to 7,814.96, 10,784.71 and 4,628.43

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Solution

The fourth proportional to 7,814.96, 10,784.71 and 4,628.43 is: 6,387.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.96 : 10,784.71 = 4,628.43 : x
  2. Step 2: Convert to fraction form
    7,814.96/10,784.71 = 4,628.43/x
  3. Step 3: Cross multiply
    7,814.96x = 10,784.71 × 4,628.43
  4. Step 4: Simplify right side
    7,814.96x = 49,916,275.31
  5. Step 5: Solve for x
    x = 49,916,275.31/7,814.96
  6. Step 6: Final answer
    x = 6,387.27

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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.