Home / 11,360.51-15,678.01-6,325.05

Finding the Fourth Proportional to 11,360.51, 15,678.01 and 6,325.05

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Solution

The fourth proportional to 11,360.51, 15,678.01 and 6,325.05 is: 8,728.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.51 : 15,678.01 = 6,325.05 : x
  2. Step 2: Convert to fraction form
    11,360.51/15,678.01 = 6,325.05/x
  3. Step 3: Cross multiply
    11,360.51x = 15,678.01 × 6,325.05
  4. Step 4: Simplify right side
    11,360.51x = 99,164,134.57
  5. Step 5: Solve for x
    x = 99,164,134.57/11,360.51
  6. Step 6: Final answer
    x = 8,728.85

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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.