Home / 8,507.14-11,740.53-4,730.65

Finding the Fourth Proportional to 8,507.14, 11,740.53 and 4,730.65

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Solution

The fourth proportional to 8,507.14, 11,740.53 and 4,730.65 is: 6,528.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507.14 : 11,740.53 = 4,730.65 : x
  2. Step 2: Convert to fraction form
    8,507.14/11,740.53 = 4,730.65/x
  3. Step 3: Cross multiply
    8,507.14x = 11,740.53 × 4,730.65
  4. Step 4: Simplify right side
    8,507.14x = 55,540,338.24
  5. Step 5: Solve for x
    x = 55,540,338.24/8,507.14
  6. Step 6: Final answer
    x = 6,528.67

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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.