Home / 7,312.06-10,090.66-4,168.26

Finding the Fourth Proportional to 7,312.06, 10,090.66 and 4,168.26

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Solution

The fourth proportional to 7,312.06, 10,090.66 and 4,168.26 is: 5,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.06 : 10,090.66 = 4,168.26 : x
  2. Step 2: Convert to fraction form
    7,312.06/10,090.66 = 4,168.26/x
  3. Step 3: Cross multiply
    7,312.06x = 10,090.66 × 4,168.26
  4. Step 4: Simplify right side
    7,312.06x = 42,060,494.45
  5. Step 5: Solve for x
    x = 42,060,494.45/7,312.06
  6. Step 6: Final answer
    x = 5,752.21

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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.