Home / 10,693.79-16,041.35-4,120.01

Finding the Fourth Proportional to 10,693.79, 16,041.35 and 4,120.01

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Solution

The fourth proportional to 10,693.79, 16,041.35 and 4,120.01 is: 6,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,693.79 : 16,041.35 = 4,120.01 : x
  2. Step 2: Convert to fraction form
    10,693.79/16,041.35 = 4,120.01/x
  3. Step 3: Cross multiply
    10,693.79x = 16,041.35 × 4,120.01
  4. Step 4: Simplify right side
    10,693.79x = 66,090,421.61
  5. Step 5: Solve for x
    x = 66,090,421.61/10,693.79
  6. Step 6: Final answer
    x = 6,180.26

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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.