Home / 9,113.28-12,576.02-5,576.49

Finding the Fourth Proportional to 9,113.28, 12,576.02 and 5,576.49

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Solution

The fourth proportional to 9,113.28, 12,576.02 and 5,576.49 is: 7,695.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.28 : 12,576.02 = 5,576.49 : x
  2. Step 2: Convert to fraction form
    9,113.28/12,576.02 = 5,576.49/x
  3. Step 3: Cross multiply
    9,113.28x = 12,576.02 × 5,576.49
  4. Step 4: Simplify right side
    9,113.28x = 70,130,021.89
  5. Step 5: Solve for x
    x = 70,130,021.89/9,113.28
  6. Step 6: Final answer
    x = 7,695.37

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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.