Home / 9,784.95-13,503.11-5,308.58

Finding the Fourth Proportional to 9,784.95, 13,503.11 and 5,308.58

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Solution

The fourth proportional to 9,784.95, 13,503.11 and 5,308.58 is: 7,325.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,784.95 : 13,503.11 = 5,308.58 : x
  2. Step 2: Convert to fraction form
    9,784.95/13,503.11 = 5,308.58/x
  3. Step 3: Cross multiply
    9,784.95x = 13,503.11 × 5,308.58
  4. Step 4: Simplify right side
    9,784.95x = 71,682,245.63
  5. Step 5: Solve for x
    x = 71,682,245.63/9,784.95
  6. Step 6: Final answer
    x = 7,325.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.