Home / 7,312.87-10,090.74-4,126.33

Finding the Fourth Proportional to 7,312.87, 10,090.74 and 4,126.33

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Solution

The fourth proportional to 7,312.87, 10,090.74 and 4,126.33 is: 5,693.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.87 : 10,090.74 = 4,126.33 : x
  2. Step 2: Convert to fraction form
    7,312.87/10,090.74 = 4,126.33/x
  3. Step 3: Cross multiply
    7,312.87x = 10,090.74 × 4,126.33
  4. Step 4: Simplify right side
    7,312.87x = 41,637,723.18
  5. Step 5: Solve for x
    x = 41,637,723.18/7,312.87
  6. Step 6: Final answer
    x = 5,693.76

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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.