Home / 7,426.02-11,140.76-2,161.16

Finding the Fourth Proportional to 7,426.02, 11,140.76 and 2,161.16

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Solution

The fourth proportional to 7,426.02, 11,140.76 and 2,161.16 is: 3,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.02 : 11,140.76 = 2,161.16 : x
  2. Step 2: Convert to fraction form
    7,426.02/11,140.76 = 2,161.16/x
  3. Step 3: Cross multiply
    7,426.02x = 11,140.76 × 2,161.16
  4. Step 4: Simplify right side
    7,426.02x = 24,076,898.37
  5. Step 5: Solve for x
    x = 24,076,898.37/7,426.02
  6. Step 6: Final answer
    x = 3,242.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.