Home / 9,210.43-12,710.01-5,231.53

Finding the Fourth Proportional to 9,210.43, 12,710.01 and 5,231.53

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Solution

The fourth proportional to 9,210.43, 12,710.01 and 5,231.53 is: 7,219.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.43 : 12,710.01 = 5,231.53 : x
  2. Step 2: Convert to fraction form
    9,210.43/12,710.01 = 5,231.53/x
  3. Step 3: Cross multiply
    9,210.43x = 12,710.01 × 5,231.53
  4. Step 4: Simplify right side
    9,210.43x = 66,492,798.62
  5. Step 5: Solve for x
    x = 66,492,798.62/9,210.43
  6. Step 6: Final answer
    x = 7,219.29

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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.