Home / 9,860.19-13,607.62-5,384.36

Finding the Fourth Proportional to 9,860.19, 13,607.62 and 5,384.36

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Solution

The fourth proportional to 9,860.19, 13,607.62 and 5,384.36 is: 7,430.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.19 : 13,607.62 = 5,384.36 : x
  2. Step 2: Convert to fraction form
    9,860.19/13,607.62 = 5,384.36/x
  3. Step 3: Cross multiply
    9,860.19x = 13,607.62 × 5,384.36
  4. Step 4: Simplify right side
    9,860.19x = 73,268,365.57
  5. Step 5: Solve for x
    x = 73,268,365.57/9,860.19
  6. Step 6: Final answer
    x = 7,430.72

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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.