Home / 7,507.06-10,350.12-5,145.10

Finding the Fourth Proportional to 7,507.06, 10,350.12 and 5,145.10

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Solution

The fourth proportional to 7,507.06, 10,350.12 and 5,145.10 is: 7,093.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.06 : 10,350.12 = 5,145.10 : x
  2. Step 2: Convert to fraction form
    7,507.06/10,350.12 = 5,145.10/x
  3. Step 3: Cross multiply
    7,507.06x = 10,350.12 × 5,145.10
  4. Step 4: Simplify right side
    7,507.06x = 53,252,402.41
  5. Step 5: Solve for x
    x = 53,252,402.41/7,507.06
  6. Step 6: Final answer
    x = 7,093.64

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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.