Home / 9,482.40-13,078.80-6,337.44

Finding the Fourth Proportional to 9,482.40, 13,078.80 and 6,337.44

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Solution

The fourth proportional to 9,482.40, 13,078.80 and 6,337.44 is: 8,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,482.40 : 13,078.80 = 6,337.44 : x
  2. Step 2: Convert to fraction form
    9,482.40/13,078.80 = 6,337.44/x
  3. Step 3: Cross multiply
    9,482.40x = 13,078.80 × 6,337.44
  4. Step 4: Simplify right side
    9,482.40x = 82,886,110.27
  5. Step 5: Solve for x
    x = 82,886,110.27/9,482.40
  6. Step 6: Final answer
    x = 8,741.05

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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.