Home / 9,846.79-13,588.80-5,370.95

Finding the Fourth Proportional to 9,846.79, 13,588.80 and 5,370.95

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Solution

The fourth proportional to 9,846.79, 13,588.80 and 5,370.95 is: 7,412.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,846.79 : 13,588.80 = 5,370.95 : x
  2. Step 2: Convert to fraction form
    9,846.79/13,588.80 = 5,370.95/x
  3. Step 3: Cross multiply
    9,846.79x = 13,588.80 × 5,370.95
  4. Step 4: Simplify right side
    9,846.79x = 72,984,738.51
  5. Step 5: Solve for x
    x = 72,984,738.51/9,846.79
  6. Step 6: Final answer
    x = 7,412.04

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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.