Home / 11,271.60-15,554.40-6,798.96

Finding the Fourth Proportional to 11,271.60, 15,554.40 and 6,798.96

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Solution

The fourth proportional to 11,271.60, 15,554.40 and 6,798.96 is: 9,382.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.60 : 15,554.40 = 6,798.96 : x
  2. Step 2: Convert to fraction form
    11,271.60/15,554.40 = 6,798.96/x
  3. Step 3: Cross multiply
    11,271.60x = 15,554.40 × 6,798.96
  4. Step 4: Simplify right side
    11,271.60x = 105,753,743.42
  5. Step 5: Solve for x
    x = 105,753,743.42/11,271.60
  6. Step 6: Final answer
    x = 9,382.32

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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.