Home / 9,632.16-13,292.64-5,440.32

Finding the Fourth Proportional to 9,632.16, 13,292.64 and 5,440.32

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Solution

The fourth proportional to 9,632.16, 13,292.64 and 5,440.32 is: 7,507.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,632.16 : 13,292.64 = 5,440.32 : x
  2. Step 2: Convert to fraction form
    9,632.16/13,292.64 = 5,440.32/x
  3. Step 3: Cross multiply
    9,632.16x = 13,292.64 × 5,440.32
  4. Step 4: Simplify right side
    9,632.16x = 72,316,215.24
  5. Step 5: Solve for x
    x = 72,316,215.24/9,632.16
  6. Step 6: Final answer
    x = 7,507.79

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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.