Home / 11,503.90-17,256.23-3,070.32

Finding the Fourth Proportional to 11,503.90, 17,256.23 and 3,070.32

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Solution

The fourth proportional to 11,503.90, 17,256.23 and 3,070.32 is: 4,605.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,503.90 : 17,256.23 = 3,070.32 : x
  2. Step 2: Convert to fraction form
    11,503.90/17,256.23 = 3,070.32/x
  3. Step 3: Cross multiply
    11,503.90x = 17,256.23 × 3,070.32
  4. Step 4: Simplify right side
    11,503.90x = 52,982,148.09
  5. Step 5: Solve for x
    x = 52,982,148.09/11,503.90
  6. Step 6: Final answer
    x = 4,605.58

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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.