Home / 11,580.32-15,981.48-6,544.76

Finding the Fourth Proportional to 11,580.32, 15,981.48 and 6,544.76

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Solution

The fourth proportional to 11,580.32, 15,981.48 and 6,544.76 is: 9,032.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.32 : 15,981.48 = 6,544.76 : x
  2. Step 2: Convert to fraction form
    11,580.32/15,981.48 = 6,544.76/x
  3. Step 3: Cross multiply
    11,580.32x = 15,981.48 × 6,544.76
  4. Step 4: Simplify right side
    11,580.32x = 104,594,951.04
  5. Step 5: Solve for x
    x = 104,594,951.04/11,580.32
  6. Step 6: Final answer
    x = 9,032.13

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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.