Home / 10,036.10-15,005.55-7,411.70

Finding the Fourth Proportional to 10,036.10, 15,005.55 and 7,411.70

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Solution

The fourth proportional to 10,036.10, 15,005.55 and 7,411.70 is: 11,081.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,036.10 : 15,005.55 = 7,411.70 : x
  2. Step 2: Convert to fraction form
    10,036.10/15,005.55 = 7,411.70/x
  3. Step 3: Cross multiply
    10,036.10x = 15,005.55 × 7,411.70
  4. Step 4: Simplify right side
    10,036.10x = 111,216,634.94
  5. Step 5: Solve for x
    x = 111,216,634.94/10,036.10
  6. Step 6: Final answer
    x = 11,081.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.