Home / 10,145.16-15,210.36-6,850.08

Finding the Fourth Proportional to 10,145.16, 15,210.36 and 6,850.08

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Solution

The fourth proportional to 10,145.16, 15,210.36 and 6,850.08 is: 10,270.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145.16 : 15,210.36 = 6,850.08 : x
  2. Step 2: Convert to fraction form
    10,145.16/15,210.36 = 6,850.08/x
  3. Step 3: Cross multiply
    10,145.16x = 15,210.36 × 6,850.08
  4. Step 4: Simplify right side
    10,145.16x = 104,192,182.83
  5. Step 5: Solve for x
    x = 104,192,182.83/10,145.16
  6. Step 6: Final answer
    x = 10,270.14

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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.