Home / 10,898.53-15,041.69-6,650.51

Finding the Fourth Proportional to 10,898.53, 15,041.69 and 6,650.51

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Solution

The fourth proportional to 10,898.53, 15,041.69 and 6,650.51 is: 9,178.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.53 : 15,041.69 = 6,650.51 : x
  2. Step 2: Convert to fraction form
    10,898.53/15,041.69 = 6,650.51/x
  3. Step 3: Cross multiply
    10,898.53x = 15,041.69 × 6,650.51
  4. Step 4: Simplify right side
    10,898.53x = 100,034,909.76
  5. Step 5: Solve for x
    x = 100,034,909.76/10,898.53
  6. Step 6: Final answer
    x = 9,178.75

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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.