Home / 9,000.60-12,421.07-5,022.50

Finding the Fourth Proportional to 9,000.60, 12,421.07 and 5,022.50

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Solution

The fourth proportional to 9,000.60, 12,421.07 and 5,022.50 is: 6,931.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.60 : 12,421.07 = 5,022.50 : x
  2. Step 2: Convert to fraction form
    9,000.60/12,421.07 = 5,022.50/x
  3. Step 3: Cross multiply
    9,000.60x = 12,421.07 × 5,022.50
  4. Step 4: Simplify right side
    9,000.60x = 62,384,736.86
  5. Step 5: Solve for x
    x = 62,384,736.86/9,000.60
  6. Step 6: Final answer
    x = 6,931.18

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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.