Home / 7,561.78-10,432.49-4,576.53

Finding the Fourth Proportional to 7,561.78, 10,432.49 and 4,576.53

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Solution

The fourth proportional to 7,561.78, 10,432.49 and 4,576.53 is: 6,313.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.78 : 10,432.49 = 4,576.53 : x
  2. Step 2: Convert to fraction form
    7,561.78/10,432.49 = 4,576.53/x
  3. Step 3: Cross multiply
    7,561.78x = 10,432.49 × 4,576.53
  4. Step 4: Simplify right side
    7,561.78x = 47,744,603.46
  5. Step 5: Solve for x
    x = 47,744,603.46/7,561.78
  6. Step 6: Final answer
    x = 6,313.94

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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.