Home / 7,722.95-10,657.68-4,186.16

Finding the Fourth Proportional to 7,722.95, 10,657.68 and 4,186.16

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Solution

The fourth proportional to 7,722.95, 10,657.68 and 4,186.16 is: 5,776.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.95 : 10,657.68 = 4,186.16 : x
  2. Step 2: Convert to fraction form
    7,722.95/10,657.68 = 4,186.16/x
  3. Step 3: Cross multiply
    7,722.95x = 10,657.68 × 4,186.16
  4. Step 4: Simplify right side
    7,722.95x = 44,614,784.64
  5. Step 5: Solve for x
    x = 44,614,784.64/7,722.95
  6. Step 6: Final answer
    x = 5,776.91

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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.