Home / 9,470.16-13,068.84-5,278.56

Finding the Fourth Proportional to 9,470.16, 13,068.84 and 5,278.56

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Solution

The fourth proportional to 9,470.16, 13,068.84 and 5,278.56 is: 7,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,470.16 : 13,068.84 = 5,278.56 : x
  2. Step 2: Convert to fraction form
    9,470.16/13,068.84 = 5,278.56/x
  3. Step 3: Cross multiply
    9,470.16x = 13,068.84 × 5,278.56
  4. Step 4: Simplify right side
    9,470.16x = 68,984,656.07
  5. Step 5: Solve for x
    x = 68,984,656.07/9,470.16
  6. Step 6: Final answer
    x = 7,284.42

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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.