Home / 11,510.06-15,883.32-6,475.10

Finding the Fourth Proportional to 11,510.06, 15,883.32 and 6,475.10

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Solution

The fourth proportional to 11,510.06, 15,883.32 and 6,475.10 is: 8,935.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.06 : 15,883.32 = 6,475.10 : x
  2. Step 2: Convert to fraction form
    11,510.06/15,883.32 = 6,475.10/x
  3. Step 3: Cross multiply
    11,510.06x = 15,883.32 × 6,475.10
  4. Step 4: Simplify right side
    11,510.06x = 102,846,085.33
  5. Step 5: Solve for x
    x = 102,846,085.33/11,510.06
  6. Step 6: Final answer
    x = 8,935.32

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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.