Home / 11,417.60-17,128.84-4,846.88

Finding the Fourth Proportional to 11,417.60, 17,128.84 and 4,846.88

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Solution

The fourth proportional to 11,417.60, 17,128.84 and 4,846.88 is: 7,271.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,417.60 : 17,128.84 = 4,846.88 : x
  2. Step 2: Convert to fraction form
    11,417.60/17,128.84 = 4,846.88/x
  3. Step 3: Cross multiply
    11,417.60x = 17,128.84 × 4,846.88
  4. Step 4: Simplify right side
    11,417.60x = 83,021,432.02
  5. Step 5: Solve for x
    x = 83,021,432.02/11,417.60
  6. Step 6: Final answer
    x = 7,271.36

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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.