Home / 9,935.16-13,709.67-5,686.26

Finding the Fourth Proportional to 9,935.16, 13,709.67 and 5,686.26

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Solution

The fourth proportional to 9,935.16, 13,709.67 and 5,686.26 is: 7,846.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,935.16 : 13,709.67 = 5,686.26 : x
  2. Step 2: Convert to fraction form
    9,935.16/13,709.67 = 5,686.26/x
  3. Step 3: Cross multiply
    9,935.16x = 13,709.67 × 5,686.26
  4. Step 4: Simplify right side
    9,935.16x = 77,956,748.13
  5. Step 5: Solve for x
    x = 77,956,748.13/9,935.16
  6. Step 6: Final answer
    x = 7,846.55

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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.