Home / 7,472.85-10,317.50-4,644.45

Finding the Fourth Proportional to 7,472.85, 10,317.50 and 4,644.45

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Solution

The fourth proportional to 7,472.85, 10,317.50 and 4,644.45 is: 6,412.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.85 : 10,317.50 = 4,644.45 : x
  2. Step 2: Convert to fraction form
    7,472.85/10,317.50 = 4,644.45/x
  3. Step 3: Cross multiply
    7,472.85x = 10,317.50 × 4,644.45
  4. Step 4: Simplify right side
    7,472.85x = 47,919,068.38
  5. Step 5: Solve for x
    x = 47,919,068.38/7,472.85
  6. Step 6: Final answer
    x = 6,412.42

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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.