Home / 9,828.16-13,560.80-5,847.84

Finding the Fourth Proportional to 9,828.16, 13,560.80 and 5,847.84

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Solution

The fourth proportional to 9,828.16, 13,560.80 and 5,847.84 is: 8,068.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,828.16 : 13,560.80 = 5,847.84 : x
  2. Step 2: Convert to fraction form
    9,828.16/13,560.80 = 5,847.84/x
  3. Step 3: Cross multiply
    9,828.16x = 13,560.80 × 5,847.84
  4. Step 4: Simplify right side
    9,828.16x = 79,301,388.67
  5. Step 5: Solve for x
    x = 79,301,388.67/9,828.16
  6. Step 6: Final answer
    x = 8,068.79

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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.