Home / 30,085.08-45,095.62-11,357.16

Finding the Fourth Proportional to 30,085.08, 45,095.62 and 11,357.16

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Solution

The fourth proportional to 30,085.08, 45,095.62 and 11,357.16 is: 17,023.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,085.08 : 45,095.62 = 11,357.16 : x
  2. Step 2: Convert to fraction form
    30,085.08/45,095.62 = 11,357.16/x
  3. Step 3: Cross multiply
    30,085.08x = 45,095.62 × 11,357.16
  4. Step 4: Simplify right side
    30,085.08x = 512,158,171.64
  5. Step 5: Solve for x
    x = 512,158,171.64/30,085.08
  6. Step 6: Final answer
    x = 17,023.66

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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.