Home / 11,214.48-15,482.19-6,739.32

Finding the Fourth Proportional to 11,214.48, 15,482.19 and 6,739.32

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Solution

The fourth proportional to 11,214.48, 15,482.19 and 6,739.32 is: 9,303.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.48 : 15,482.19 = 6,739.32 : x
  2. Step 2: Convert to fraction form
    11,214.48/15,482.19 = 6,739.32/x
  3. Step 3: Cross multiply
    11,214.48x = 15,482.19 × 6,739.32
  4. Step 4: Simplify right side
    11,214.48x = 104,339,432.71
  5. Step 5: Solve for x
    x = 104,339,432.71/11,214.48
  6. Step 6: Final answer
    x = 9,303.99

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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.