Home / 11,246.18-15,505.17-7,703.06

Finding the Fourth Proportional to 11,246.18, 15,505.17 and 7,703.06

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Solution

The fourth proportional to 11,246.18, 15,505.17 and 7,703.06 is: 10,620.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.18 : 15,505.17 = 7,703.06 : x
  2. Step 2: Convert to fraction form
    11,246.18/15,505.17 = 7,703.06/x
  3. Step 3: Cross multiply
    11,246.18x = 15,505.17 × 7,703.06
  4. Step 4: Simplify right side
    11,246.18x = 119,437,254.82
  5. Step 5: Solve for x
    x = 119,437,254.82/11,246.18
  6. Step 6: Final answer
    x = 10,620.25

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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.