Home / 10,555.51-15,828.15-4,313.04

Finding the Fourth Proportional to 10,555.51, 15,828.15 and 4,313.04

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Solution

The fourth proportional to 10,555.51, 15,828.15 and 4,313.04 is: 6,467.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.51 : 15,828.15 = 4,313.04 : x
  2. Step 2: Convert to fraction form
    10,555.51/15,828.15 = 4,313.04/x
  3. Step 3: Cross multiply
    10,555.51x = 15,828.15 × 4,313.04
  4. Step 4: Simplify right side
    10,555.51x = 68,267,444.08
  5. Step 5: Solve for x
    x = 68,267,444.08/10,555.51
  6. Step 6: Final answer
    x = 6,467.47

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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.