Home / 9,530.20-14,295.30-5,145.40

Finding the Fourth Proportional to 9,530.20, 14,295.30 and 5,145.40

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Solution

The fourth proportional to 9,530.20, 14,295.30 and 5,145.40 is: 7,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,530.20 : 14,295.30 = 5,145.40 : x
  2. Step 2: Convert to fraction form
    9,530.20/14,295.30 = 5,145.40/x
  3. Step 3: Cross multiply
    9,530.20x = 14,295.30 × 5,145.40
  4. Step 4: Simplify right side
    9,530.20x = 73,555,036.62
  5. Step 5: Solve for x
    x = 73,555,036.62/9,530.20
  6. Step 6: Final answer
    x = 7,718.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.