Home / 9,074.34-12,520.40-5,295.35

Finding the Fourth Proportional to 9,074.34, 12,520.40 and 5,295.35

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Solution

The fourth proportional to 9,074.34, 12,520.40 and 5,295.35 is: 7,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074.34 : 12,520.40 = 5,295.35 : x
  2. Step 2: Convert to fraction form
    9,074.34/12,520.40 = 5,295.35/x
  3. Step 3: Cross multiply
    9,074.34x = 12,520.40 × 5,295.35
  4. Step 4: Simplify right side
    9,074.34x = 66,299,877.87
  5. Step 5: Solve for x
    x = 66,299,877.87/9,074.34
  6. Step 6: Final answer
    x = 7,306.30

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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.