Home / 8,557.23-11,808.98-5,020.45

Finding the Fourth Proportional to 8,557.23, 11,808.98 and 5,020.45

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Solution

The fourth proportional to 8,557.23, 11,808.98 and 5,020.45 is: 6,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.23 : 11,808.98 = 5,020.45 : x
  2. Step 2: Convert to fraction form
    8,557.23/11,808.98 = 5,020.45/x
  3. Step 3: Cross multiply
    8,557.23x = 11,808.98 × 5,020.45
  4. Step 4: Simplify right side
    8,557.23x = 59,286,393.64
  5. Step 5: Solve for x
    x = 59,286,393.64/8,557.23
  6. Step 6: Final answer
    x = 6,928.22

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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.