Home / 11,421.28-17,133.95-4,030.03

Finding the Fourth Proportional to 11,421.28, 17,133.95 and 4,030.03

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Solution

The fourth proportional to 11,421.28, 17,133.95 and 4,030.03 is: 6,045.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421.28 : 17,133.95 = 4,030.03 : x
  2. Step 2: Convert to fraction form
    11,421.28/17,133.95 = 4,030.03/x
  3. Step 3: Cross multiply
    11,421.28x = 17,133.95 × 4,030.03
  4. Step 4: Simplify right side
    11,421.28x = 69,050,332.52
  5. Step 5: Solve for x
    x = 69,050,332.52/11,421.28
  6. Step 6: Final answer
    x = 6,045.76

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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.