Home / 11,140.81-15,374.08-6,104.93

Finding the Fourth Proportional to 11,140.81, 15,374.08 and 6,104.93

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Solution

The fourth proportional to 11,140.81, 15,374.08 and 6,104.93 is: 8,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.81 : 15,374.08 = 6,104.93 : x
  2. Step 2: Convert to fraction form
    11,140.81/15,374.08 = 6,104.93/x
  3. Step 3: Cross multiply
    11,140.81x = 15,374.08 × 6,104.93
  4. Step 4: Simplify right side
    11,140.81x = 93,857,682.21
  5. Step 5: Solve for x
    x = 93,857,682.21/11,140.81
  6. Step 6: Final answer
    x = 8,424.67

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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.