Home / 9,153.67-13,705.80-4,761.90

Finding the Fourth Proportional to 9,153.67, 13,705.80 and 4,761.90

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Solution

The fourth proportional to 9,153.67, 13,705.80 and 4,761.90 is: 7,130.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.67 : 13,705.80 = 4,761.90 : x
  2. Step 2: Convert to fraction form
    9,153.67/13,705.80 = 4,761.90/x
  3. Step 3: Cross multiply
    9,153.67x = 13,705.80 × 4,761.90
  4. Step 4: Simplify right side
    9,153.67x = 65,265,649.02
  5. Step 5: Solve for x
    x = 65,265,649.02/9,153.67
  6. Step 6: Final answer
    x = 7,130.00

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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.