Home / 7,292.52-10,913.88-6,123.72

Finding the Fourth Proportional to 7,292.52, 10,913.88 and 6,123.72

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Solution

The fourth proportional to 7,292.52, 10,913.88 and 6,123.72 is: 9,164.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.52 : 10,913.88 = 6,123.72 : x
  2. Step 2: Convert to fraction form
    7,292.52/10,913.88 = 6,123.72/x
  3. Step 3: Cross multiply
    7,292.52x = 10,913.88 × 6,123.72
  4. Step 4: Simplify right side
    7,292.52x = 66,833,545.23
  5. Step 5: Solve for x
    x = 66,833,545.23/7,292.52
  6. Step 6: Final answer
    x = 9,164.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.