Home / 10,226.40-14,113.08-5,689.32

Finding the Fourth Proportional to 10,226.40, 14,113.08 and 5,689.32

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Solution

The fourth proportional to 10,226.40, 14,113.08 and 5,689.32 is: 7,851.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226.40 : 14,113.08 = 5,689.32 : x
  2. Step 2: Convert to fraction form
    10,226.40/14,113.08 = 5,689.32/x
  3. Step 3: Cross multiply
    10,226.40x = 14,113.08 × 5,689.32
  4. Step 4: Simplify right side
    10,226.40x = 80,293,828.31
  5. Step 5: Solve for x
    x = 80,293,828.31/10,226.40
  6. Step 6: Final answer
    x = 7,851.62

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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.