Home / 9,807.89-13,534.49-5,331.54

Finding the Fourth Proportional to 9,807.89, 13,534.49 and 5,331.54

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Solution

The fourth proportional to 9,807.89, 13,534.49 and 5,331.54 is: 7,357.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,807.89 : 13,534.49 = 5,331.54 : x
  2. Step 2: Convert to fraction form
    9,807.89/13,534.49 = 5,331.54/x
  3. Step 3: Cross multiply
    9,807.89x = 13,534.49 × 5,331.54
  4. Step 4: Simplify right side
    9,807.89x = 72,159,662.77
  5. Step 5: Solve for x
    x = 72,159,662.77/9,807.89
  6. Step 6: Final answer
    x = 7,357.31

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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.