Home / 10,903.08-15,050.81-7,371.07

Finding the Fourth Proportional to 10,903.08, 15,050.81 and 7,371.07

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Solution

The fourth proportional to 10,903.08, 15,050.81 and 7,371.07 is: 10,175.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.08 : 15,050.81 = 7,371.07 : x
  2. Step 2: Convert to fraction form
    10,903.08/15,050.81 = 7,371.07/x
  3. Step 3: Cross multiply
    10,903.08x = 15,050.81 × 7,371.07
  4. Step 4: Simplify right side
    10,903.08x = 110,940,574.07
  5. Step 5: Solve for x
    x = 110,940,574.07/10,903.08
  6. Step 6: Final answer
    x = 10,175.16

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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.