Home / 9,637.13-13,299.53-5,388.08

Finding the Fourth Proportional to 9,637.13, 13,299.53 and 5,388.08

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Solution

The fourth proportional to 9,637.13, 13,299.53 and 5,388.08 is: 7,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,637.13 : 13,299.53 = 5,388.08 : x
  2. Step 2: Convert to fraction form
    9,637.13/13,299.53 = 5,388.08/x
  3. Step 3: Cross multiply
    9,637.13x = 13,299.53 × 5,388.08
  4. Step 4: Simplify right side
    9,637.13x = 71,658,838.16
  5. Step 5: Solve for x
    x = 71,658,838.16/9,637.13
  6. Step 6: Final answer
    x = 7,435.70

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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.