Home / 10,528.06-14,528.31-5,812.30

Finding the Fourth Proportional to 10,528.06, 14,528.31 and 5,812.30

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Solution

The fourth proportional to 10,528.06, 14,528.31 and 5,812.30 is: 8,020.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528.06 : 14,528.31 = 5,812.30 : x
  2. Step 2: Convert to fraction form
    10,528.06/14,528.31 = 5,812.30/x
  3. Step 3: Cross multiply
    10,528.06x = 14,528.31 × 5,812.30
  4. Step 4: Simplify right side
    10,528.06x = 84,442,896.21
  5. Step 5: Solve for x
    x = 84,442,896.21/10,528.06
  6. Step 6: Final answer
    x = 8,020.75

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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.