Home / 9,766.28-13,477.48-5,290.08

Finding the Fourth Proportional to 9,766.28, 13,477.48 and 5,290.08

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Solution

The fourth proportional to 9,766.28, 13,477.48 and 5,290.08 is: 7,300.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,766.28 : 13,477.48 = 5,290.08 : x
  2. Step 2: Convert to fraction form
    9,766.28/13,477.48 = 5,290.08/x
  3. Step 3: Cross multiply
    9,766.28x = 13,477.48 × 5,290.08
  4. Step 4: Simplify right side
    9,766.28x = 71,296,947.40
  5. Step 5: Solve for x
    x = 71,296,947.40/9,766.28
  6. Step 6: Final answer
    x = 7,300.32

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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.