Home / 9,009.79-12,433.52-5,030.91

Finding the Fourth Proportional to 9,009.79, 12,433.52 and 5,030.91

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Solution

The fourth proportional to 9,009.79, 12,433.52 and 5,030.91 is: 6,942.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.79 : 12,433.52 = 5,030.91 : x
  2. Step 2: Convert to fraction form
    9,009.79/12,433.52 = 5,030.91/x
  3. Step 3: Cross multiply
    9,009.79x = 12,433.52 × 5,030.91
  4. Step 4: Simplify right side
    9,009.79x = 62,551,920.10
  5. Step 5: Solve for x
    x = 62,551,920.10/9,009.79
  6. Step 6: Final answer
    x = 6,942.66

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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.