Home / 9,530.45-13,152.12-5,281.64

Finding the Fourth Proportional to 9,530.45, 13,152.12 and 5,281.64

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Solution

The fourth proportional to 9,530.45, 13,152.12 and 5,281.64 is: 7,288.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,530.45 : 13,152.12 = 5,281.64 : x
  2. Step 2: Convert to fraction form
    9,530.45/13,152.12 = 5,281.64/x
  3. Step 3: Cross multiply
    9,530.45x = 13,152.12 × 5,281.64
  4. Step 4: Simplify right side
    9,530.45x = 69,464,763.08
  5. Step 5: Solve for x
    x = 69,464,763.08/9,530.45
  6. Step 6: Final answer
    x = 7,288.72

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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.