Home / 10,722.56-16,054.68-9,070.16

Finding the Fourth Proportional to 10,722.56, 16,054.68 and 9,070.16

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Solution

The fourth proportional to 10,722.56, 16,054.68 and 9,070.16 is: 13,580.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.56 : 16,054.68 = 9,070.16 : x
  2. Step 2: Convert to fraction form
    10,722.56/16,054.68 = 9,070.16/x
  3. Step 3: Cross multiply
    10,722.56x = 16,054.68 × 9,070.16
  4. Step 4: Simplify right side
    10,722.56x = 145,618,516.35
  5. Step 5: Solve for x
    x = 145,618,516.35/10,722.56
  6. Step 6: Final answer
    x = 13,580.57

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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.