Home / 8,585.18-11,840.55-5,790.14

Finding the Fourth Proportional to 8,585.18, 11,840.55 and 5,790.14

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Solution

The fourth proportional to 8,585.18, 11,840.55 and 5,790.14 is: 7,985.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.18 : 11,840.55 = 5,790.14 : x
  2. Step 2: Convert to fraction form
    8,585.18/11,840.55 = 5,790.14/x
  3. Step 3: Cross multiply
    8,585.18x = 11,840.55 × 5,790.14
  4. Step 4: Simplify right side
    8,585.18x = 68,558,442.18
  5. Step 5: Solve for x
    x = 68,558,442.18/8,585.18
  6. Step 6: Final answer
    x = 7,985.67

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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.