Home / 9,050.70-12,490.74-5,072.58

Finding the Fourth Proportional to 9,050.70, 12,490.74 and 5,072.58

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Solution

The fourth proportional to 9,050.70, 12,490.74 and 5,072.58 is: 7,000.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,050.70 : 12,490.74 = 5,072.58 : x
  2. Step 2: Convert to fraction form
    9,050.70/12,490.74 = 5,072.58/x
  3. Step 3: Cross multiply
    9,050.70x = 12,490.74 × 5,072.58
  4. Step 4: Simplify right side
    9,050.70x = 63,360,277.91
  5. Step 5: Solve for x
    x = 63,360,277.91/9,050.70
  6. Step 6: Final answer
    x = 7,000.59

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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.