Home / 11,336.32-15,642.25-6,300.40

Finding the Fourth Proportional to 11,336.32, 15,642.25 and 6,300.40

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Solution

The fourth proportional to 11,336.32, 15,642.25 and 6,300.40 is: 8,693.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.32 : 15,642.25 = 6,300.40 : x
  2. Step 2: Convert to fraction form
    11,336.32/15,642.25 = 6,300.40/x
  3. Step 3: Cross multiply
    11,336.32x = 15,642.25 × 6,300.40
  4. Step 4: Simplify right side
    11,336.32x = 98,552,322.19
  5. Step 5: Solve for x
    x = 98,552,322.19/11,336.32
  6. Step 6: Final answer
    x = 8,693.51

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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.