Home / 10,260.81-14,158.65-5,722.43

Finding the Fourth Proportional to 10,260.81, 14,158.65 and 5,722.43

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Solution

The fourth proportional to 10,260.81, 14,158.65 and 5,722.43 is: 7,896.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.81 : 14,158.65 = 5,722.43 : x
  2. Step 2: Convert to fraction form
    10,260.81/14,158.65 = 5,722.43/x
  3. Step 3: Cross multiply
    10,260.81x = 14,158.65 × 5,722.43
  4. Step 4: Simplify right side
    10,260.81x = 81,021,834.19
  5. Step 5: Solve for x
    x = 81,021,834.19/10,260.81
  6. Step 6: Final answer
    x = 7,896.24

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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.