Home / 10,448.16-15,672.87-4,208.15

Finding the Fourth Proportional to 10,448.16, 15,672.87 and 4,208.15

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Solution

The fourth proportional to 10,448.16, 15,672.87 and 4,208.15 is: 6,312.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448.16 : 15,672.87 = 4,208.15 : x
  2. Step 2: Convert to fraction form
    10,448.16/15,672.87 = 4,208.15/x
  3. Step 3: Cross multiply
    10,448.16x = 15,672.87 × 4,208.15
  4. Step 4: Simplify right side
    10,448.16x = 65,953,787.89
  5. Step 5: Solve for x
    x = 65,953,787.89/10,448.16
  6. Step 6: Final answer
    x = 6,312.48

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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.