Home / 9,325.46-12,870.86-5,346.60

Finding the Fourth Proportional to 9,325.46, 12,870.86 and 5,346.60

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Solution

The fourth proportional to 9,325.46, 12,870.86 and 5,346.60 is: 7,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,325.46 : 12,870.86 = 5,346.60 : x
  2. Step 2: Convert to fraction form
    9,325.46/12,870.86 = 5,346.60/x
  3. Step 3: Cross multiply
    9,325.46x = 12,870.86 × 5,346.60
  4. Step 4: Simplify right side
    9,325.46x = 68,815,313.34
  5. Step 5: Solve for x
    x = 68,815,313.34/9,325.46
  6. Step 6: Final answer
    x = 7,379.30

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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.