Home / 9,892.40-13,651.67-5,416.07

Finding the Fourth Proportional to 9,892.40, 13,651.67 and 5,416.07

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Solution

The fourth proportional to 9,892.40, 13,651.67 and 5,416.07 is: 7,474.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,892.40 : 13,651.67 = 5,416.07 : x
  2. Step 2: Convert to fraction form
    9,892.40/13,651.67 = 5,416.07/x
  3. Step 3: Cross multiply
    9,892.40x = 13,651.67 × 5,416.07
  4. Step 4: Simplify right side
    9,892.40x = 73,938,305.00
  5. Step 5: Solve for x
    x = 73,938,305.00/9,892.40
  6. Step 6: Final answer
    x = 7,474.26

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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.