Home / 7,823.15-11,705.56-7,735.67

Finding the Fourth Proportional to 7,823.15, 11,705.56 and 7,735.67

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Solution

The fourth proportional to 7,823.15, 11,705.56 and 7,735.67 is: 11,574.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.15 : 11,705.56 = 7,735.67 : x
  2. Step 2: Convert to fraction form
    7,823.15/11,705.56 = 7,735.67/x
  3. Step 3: Cross multiply
    7,823.15x = 11,705.56 × 7,735.67
  4. Step 4: Simplify right side
    7,823.15x = 90,550,349.33
  5. Step 5: Solve for x
    x = 90,550,349.33/7,823.15
  6. Step 6: Final answer
    x = 11,574.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.