Home / 7,213.08-9,953.66-4,069.06

Finding the Fourth Proportional to 7,213.08, 9,953.66 and 4,069.06

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Solution

The fourth proportional to 7,213.08, 9,953.66 and 4,069.06 is: 5,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.08 : 9,953.66 = 4,069.06 : x
  2. Step 2: Convert to fraction form
    7,213.08/9,953.66 = 4,069.06/x
  3. Step 3: Cross multiply
    7,213.08x = 9,953.66 × 4,069.06
  4. Step 4: Simplify right side
    7,213.08x = 40,502,039.76
  5. Step 5: Solve for x
    x = 40,502,039.76/7,213.08
  6. Step 6: Final answer
    x = 5,615.08

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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.