Home / 9,427.13-13,009.84-5,235.38

Finding the Fourth Proportional to 9,427.13, 13,009.84 and 5,235.38

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Solution

The fourth proportional to 9,427.13, 13,009.84 and 5,235.38 is: 7,225.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.13 : 13,009.84 = 5,235.38 : x
  2. Step 2: Convert to fraction form
    9,427.13/13,009.84 = 5,235.38/x
  3. Step 3: Cross multiply
    9,427.13x = 13,009.84 × 5,235.38
  4. Step 4: Simplify right side
    9,427.13x = 68,111,378.00
  5. Step 5: Solve for x
    x = 68,111,378.00/9,427.13
  6. Step 6: Final answer
    x = 7,225.04

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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.