Home / 11,282.80-15,574.08-6,570.96

Finding the Fourth Proportional to 11,282.80, 15,574.08 and 6,570.96

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Solution

The fourth proportional to 11,282.80, 15,574.08 and 6,570.96 is: 9,070.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.80 : 15,574.08 = 6,570.96 : x
  2. Step 2: Convert to fraction form
    11,282.80/15,574.08 = 6,570.96/x
  3. Step 3: Cross multiply
    11,282.80x = 15,574.08 × 6,570.96
  4. Step 4: Simplify right side
    11,282.80x = 102,336,656.72
  5. Step 5: Solve for x
    x = 102,336,656.72/11,282.80
  6. Step 6: Final answer
    x = 9,070.15

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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.