Home / 11,281.67-15,565.12-6,565.04

Finding the Fourth Proportional to 11,281.67, 15,565.12 and 6,565.04

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Solution

The fourth proportional to 11,281.67, 15,565.12 and 6,565.04 is: 9,057.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.67 : 15,565.12 = 6,565.04 : x
  2. Step 2: Convert to fraction form
    11,281.67/15,565.12 = 6,565.04/x
  3. Step 3: Cross multiply
    11,281.67x = 15,565.12 × 6,565.04
  4. Step 4: Simplify right side
    11,281.67x = 102,185,635.40
  5. Step 5: Solve for x
    x = 102,185,635.40/11,281.67
  6. Step 6: Final answer
    x = 9,057.67

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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.