Home / 7,036.12-10,555.74-2,653.60

Finding the Fourth Proportional to 7,036.12, 10,555.74 and 2,653.60

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Solution

The fourth proportional to 7,036.12, 10,555.74 and 2,653.60 is: 3,980.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,036.12 : 10,555.74 = 2,653.60 : x
  2. Step 2: Convert to fraction form
    7,036.12/10,555.74 = 2,653.60/x
  3. Step 3: Cross multiply
    7,036.12x = 10,555.74 × 2,653.60
  4. Step 4: Simplify right side
    7,036.12x = 28,010,711.66
  5. Step 5: Solve for x
    x = 28,010,711.66/7,036.12
  6. Step 6: Final answer
    x = 3,980.99

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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.