Home / 7,113.21-10,675.07-3,417.58

Finding the Fourth Proportional to 7,113.21, 10,675.07 and 3,417.58

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Solution

The fourth proportional to 7,113.21, 10,675.07 and 3,417.58 is: 5,128.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.21 : 10,675.07 = 3,417.58 : x
  2. Step 2: Convert to fraction form
    7,113.21/10,675.07 = 3,417.58/x
  3. Step 3: Cross multiply
    7,113.21x = 10,675.07 × 3,417.58
  4. Step 4: Simplify right side
    7,113.21x = 36,482,905.73
  5. Step 5: Solve for x
    x = 36,482,905.73/7,113.21
  6. Step 6: Final answer
    x = 5,128.89

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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.