Home / 9,766.58-13,477.87-5,290.34

Finding the Fourth Proportional to 9,766.58, 13,477.87 and 5,290.34

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Solution

The fourth proportional to 9,766.58, 13,477.87 and 5,290.34 is: 7,300.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,766.58 : 13,477.87 = 5,290.34 : x
  2. Step 2: Convert to fraction form
    9,766.58/13,477.87 = 5,290.34/x
  3. Step 3: Cross multiply
    9,766.58x = 13,477.87 × 5,290.34
  4. Step 4: Simplify right side
    9,766.58x = 71,302,535.24
  5. Step 5: Solve for x
    x = 71,302,535.24/9,766.58
  6. Step 6: Final answer
    x = 7,300.67

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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.