Home / 9,113.49-12,576.65-5,134.67

Finding the Fourth Proportional to 9,113.49, 12,576.65 and 5,134.67

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Solution

The fourth proportional to 9,113.49, 12,576.65 and 5,134.67 is: 7,085.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.49 : 12,576.65 = 5,134.67 : x
  2. Step 2: Convert to fraction form
    9,113.49/12,576.65 = 5,134.67/x
  3. Step 3: Cross multiply
    9,113.49x = 12,576.65 × 5,134.67
  4. Step 4: Simplify right side
    9,113.49x = 64,576,947.46
  5. Step 5: Solve for x
    x = 64,576,947.46/9,113.49
  6. Step 6: Final answer
    x = 7,085.86

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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.