Home / 9,858.15-13,603.65-5,381.01

Finding the Fourth Proportional to 9,858.15, 13,603.65 and 5,381.01

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Solution

The fourth proportional to 9,858.15, 13,603.65 and 5,381.01 is: 7,425.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,858.15 : 13,603.65 = 5,381.01 : x
  2. Step 2: Convert to fraction form
    9,858.15/13,603.65 = 5,381.01/x
  3. Step 3: Cross multiply
    9,858.15x = 13,603.65 × 5,381.01
  4. Step 4: Simplify right side
    9,858.15x = 73,201,376.69
  5. Step 5: Solve for x
    x = 73,201,376.69/9,858.15
  6. Step 6: Final answer
    x = 7,425.47

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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.