Home / 9,023.07-12,451.32-4,989.66

Finding the Fourth Proportional to 9,023.07, 12,451.32 and 4,989.66

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Solution

The fourth proportional to 9,023.07, 12,451.32 and 4,989.66 is: 6,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,023.07 : 12,451.32 = 4,989.66 : x
  2. Step 2: Convert to fraction form
    9,023.07/12,451.32 = 4,989.66/x
  3. Step 3: Cross multiply
    9,023.07x = 12,451.32 × 4,989.66
  4. Step 4: Simplify right side
    9,023.07x = 62,127,853.35
  5. Step 5: Solve for x
    x = 62,127,853.35/9,023.07
  6. Step 6: Final answer
    x = 6,885.45

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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.