Home / 9,225.42-12,730.93-5,246.52

Finding the Fourth Proportional to 9,225.42, 12,730.93 and 5,246.52

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Solution

The fourth proportional to 9,225.42, 12,730.93 and 5,246.52 is: 7,240.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,225.42 : 12,730.93 = 5,246.52 : x
  2. Step 2: Convert to fraction form
    9,225.42/12,730.93 = 5,246.52/x
  3. Step 3: Cross multiply
    9,225.42x = 12,730.93 × 5,246.52
  4. Step 4: Simplify right side
    9,225.42x = 66,793,078.86
  5. Step 5: Solve for x
    x = 66,793,078.86/9,225.42
  6. Step 6: Final answer
    x = 7,240.11

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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.