Home / 9,051.31-13,572.74-3,430.04

Finding the Fourth Proportional to 9,051.31, 13,572.74 and 3,430.04

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Solution

The fourth proportional to 9,051.31, 13,572.74 and 3,430.04 is: 5,143.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.31 : 13,572.74 = 3,430.04 : x
  2. Step 2: Convert to fraction form
    9,051.31/13,572.74 = 3,430.04/x
  3. Step 3: Cross multiply
    9,051.31x = 13,572.74 × 3,430.04
  4. Step 4: Simplify right side
    9,051.31x = 46,555,041.11
  5. Step 5: Solve for x
    x = 46,555,041.11/9,051.31
  6. Step 6: Final answer
    x = 5,143.46

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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.