Home / 7,492.16-11,230.36-2,809.12

Finding the Fourth Proportional to 7,492.16, 11,230.36 and 2,809.12

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Solution

The fourth proportional to 7,492.16, 11,230.36 and 2,809.12 is: 4,210.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.16 : 11,230.36 = 2,809.12 : x
  2. Step 2: Convert to fraction form
    7,492.16/11,230.36 = 2,809.12/x
  3. Step 3: Cross multiply
    7,492.16x = 11,230.36 × 2,809.12
  4. Step 4: Simplify right side
    7,492.16x = 31,547,428.88
  5. Step 5: Solve for x
    x = 31,547,428.88/7,492.16
  6. Step 6: Final answer
    x = 4,210.73

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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.