Home / 12,395.04-18,592.56-5,820

Finding the Fourth Proportional to 12,395.04, 18,592.56 and 5,820

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Solution

The fourth proportional to 12,395.04, 18,592.56 and 5,820 is: 8,730

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.04 : 18,592.56 = 5,820 : x
  2. Step 2: Convert to fraction form
    12,395.04/18,592.56 = 5,820/x
  3. Step 3: Cross multiply
    12,395.04x = 18,592.56 × 5,820
  4. Step 4: Simplify right side
    12,395.04x = 108,208,699.20
  5. Step 5: Solve for x
    x = 108,208,699.20/12,395.04
  6. Step 6: Final answer
    x = 8,730

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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.