Home / 10,662.41-14,720.15-7,083.51

Finding the Fourth Proportional to 10,662.41, 14,720.15 and 7,083.51

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Solution

The fourth proportional to 10,662.41, 14,720.15 and 7,083.51 is: 9,779.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662.41 : 14,720.15 = 7,083.51 : x
  2. Step 2: Convert to fraction form
    10,662.41/14,720.15 = 7,083.51/x
  3. Step 3: Cross multiply
    10,662.41x = 14,720.15 × 7,083.51
  4. Step 4: Simplify right side
    10,662.41x = 104,270,329.73
  5. Step 5: Solve for x
    x = 104,270,329.73/10,662.41
  6. Step 6: Final answer
    x = 9,779.25

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1.5x scale

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.