Home / 7,845.53-10,817.96-5,009.18

Finding the Fourth Proportional to 7,845.53, 10,817.96 and 5,009.18

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Solution

The fourth proportional to 7,845.53, 10,817.96 and 5,009.18 is: 6,907.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.53 : 10,817.96 = 5,009.18 : x
  2. Step 2: Convert to fraction form
    7,845.53/10,817.96 = 5,009.18/x
  3. Step 3: Cross multiply
    7,845.53x = 10,817.96 × 5,009.18
  4. Step 4: Simplify right side
    7,845.53x = 54,189,029.74
  5. Step 5: Solve for x
    x = 54,189,029.74/7,845.53
  6. Step 6: Final answer
    x = 6,907.00

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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.