Home / 9,925.39-13,701.72-6,394.60

Finding the Fourth Proportional to 9,925.39, 13,701.72 and 6,394.60

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Solution

The fourth proportional to 9,925.39, 13,701.72 and 6,394.60 is: 8,827.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,925.39 : 13,701.72 = 6,394.60 : x
  2. Step 2: Convert to fraction form
    9,925.39/13,701.72 = 6,394.60/x
  3. Step 3: Cross multiply
    9,925.39x = 13,701.72 × 6,394.60
  4. Step 4: Simplify right side
    9,925.39x = 87,617,018.71
  5. Step 5: Solve for x
    x = 87,617,018.71/9,925.39
  6. Step 6: Final answer
    x = 8,827.56

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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.