Home / 9,470.12-13,069.34-5,278.36

Finding the Fourth Proportional to 9,470.12, 13,069.34 and 5,278.36

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Solution

The fourth proportional to 9,470.12, 13,069.34 and 5,278.36 is: 7,284.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,470.12 : 13,069.34 = 5,278.36 : x
  2. Step 2: Convert to fraction form
    9,470.12/13,069.34 = 5,278.36/x
  3. Step 3: Cross multiply
    9,470.12x = 13,069.34 × 5,278.36
  4. Step 4: Simplify right side
    9,470.12x = 68,984,681.48
  5. Step 5: Solve for x
    x = 68,984,681.48/9,470.12
  6. Step 6: Final answer
    x = 7,284.46

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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.