Home / 9,050.94-12,490.14-5,072.40

Finding the Fourth Proportional to 9,050.94, 12,490.14 and 5,072.40

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Solution

The fourth proportional to 9,050.94, 12,490.14 and 5,072.40 is: 6,999.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,050.94 : 12,490.14 = 5,072.40 : x
  2. Step 2: Convert to fraction form
    9,050.94/12,490.14 = 5,072.40/x
  3. Step 3: Cross multiply
    9,050.94x = 12,490.14 × 5,072.40
  4. Step 4: Simplify right side
    9,050.94x = 63,354,986.14
  5. Step 5: Solve for x
    x = 63,354,986.14/9,050.94
  6. Step 6: Final answer
    x = 6,999.82

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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.