Home / 7,117.04-10,675.88-2,186.32

Finding the Fourth Proportional to 7,117.04, 10,675.88 and 2,186.32

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Solution

The fourth proportional to 7,117.04, 10,675.88 and 2,186.32 is: 3,279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.04 : 10,675.88 = 2,186.32 : x
  2. Step 2: Convert to fraction form
    7,117.04/10,675.88 = 2,186.32/x
  3. Step 3: Cross multiply
    7,117.04x = 10,675.88 × 2,186.32
  4. Step 4: Simplify right side
    7,117.04x = 23,340,889.96
  5. Step 5: Solve for x
    x = 23,340,889.96/7,117.04
  6. Step 6: Final answer
    x = 3,279.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.