Home / 7,472.16-10,315.08-4,327.74

Finding the Fourth Proportional to 7,472.16, 10,315.08 and 4,327.74

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Solution

The fourth proportional to 7,472.16, 10,315.08 and 4,327.74 is: 5,974.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.16 : 10,315.08 = 4,327.74 : x
  2. Step 2: Convert to fraction form
    7,472.16/10,315.08 = 4,327.74/x
  3. Step 3: Cross multiply
    7,472.16x = 10,315.08 × 4,327.74
  4. Step 4: Simplify right side
    7,472.16x = 44,640,984.32
  5. Step 5: Solve for x
    x = 44,640,984.32/7,472.16
  6. Step 6: Final answer
    x = 5,974.31

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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.