Home / 7,768.08-10,719.99-4,624.38

Finding the Fourth Proportional to 7,768.08, 10,719.99 and 4,624.38

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Solution

The fourth proportional to 7,768.08, 10,719.99 and 4,624.38 is: 6,381.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768.08 : 10,719.99 = 4,624.38 : x
  2. Step 2: Convert to fraction form
    7,768.08/10,719.99 = 4,624.38/x
  3. Step 3: Cross multiply
    7,768.08x = 10,719.99 × 4,624.38
  4. Step 4: Simplify right side
    7,768.08x = 49,573,307.36
  5. Step 5: Solve for x
    x = 49,573,307.36/7,768.08
  6. Step 6: Final answer
    x = 6,381.67

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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.