Home / 10,271.51-15,407.23-2,480.32

Finding the Fourth Proportional to 10,271.51, 15,407.23 and 2,480.32

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Solution

The fourth proportional to 10,271.51, 15,407.23 and 2,480.32 is: 3,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,271.51 : 15,407.23 = 2,480.32 : x
  2. Step 2: Convert to fraction form
    10,271.51/15,407.23 = 2,480.32/x
  3. Step 3: Cross multiply
    10,271.51x = 15,407.23 × 2,480.32
  4. Step 4: Simplify right side
    10,271.51x = 38,214,854.51
  5. Step 5: Solve for x
    x = 38,214,854.51/10,271.51
  6. Step 6: Final answer
    x = 3,720.47

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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.