Home / 9,821.22-13,548.86-5,840.16

Finding the Fourth Proportional to 9,821.22, 13,548.86 and 5,840.16

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Solution

The fourth proportional to 9,821.22, 13,548.86 and 5,840.16 is: 8,056.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.22 : 13,548.86 = 5,840.16 : x
  2. Step 2: Convert to fraction form
    9,821.22/13,548.86 = 5,840.16/x
  3. Step 3: Cross multiply
    9,821.22x = 13,548.86 × 5,840.16
  4. Step 4: Simplify right side
    9,821.22x = 79,127,510.22
  5. Step 5: Solve for x
    x = 79,127,510.22/9,821.22
  6. Step 6: Final answer
    x = 8,056.79

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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.