Home / 11,368.60-17,058.31-5,130.52

Finding the Fourth Proportional to 11,368.60, 17,058.31 and 5,130.52

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Solution

The fourth proportional to 11,368.60, 17,058.31 and 5,130.52 is: 7,698.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,368.60 : 17,058.31 = 5,130.52 : x
  2. Step 2: Convert to fraction form
    11,368.60/17,058.31 = 5,130.52/x
  3. Step 3: Cross multiply
    11,368.60x = 17,058.31 × 5,130.52
  4. Step 4: Simplify right side
    11,368.60x = 87,518,069.96
  5. Step 5: Solve for x
    x = 87,518,069.96/11,368.60
  6. Step 6: Final answer
    x = 7,698.23

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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.