Home / 10,550.12-15,830.69-7,652.35

Finding the Fourth Proportional to 10,550.12, 15,830.69 and 7,652.35

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Solution

The fourth proportional to 10,550.12, 15,830.69 and 7,652.35 is: 11,482.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550.12 : 15,830.69 = 7,652.35 : x
  2. Step 2: Convert to fraction form
    10,550.12/15,830.69 = 7,652.35/x
  3. Step 3: Cross multiply
    10,550.12x = 15,830.69 × 7,652.35
  4. Step 4: Simplify right side
    10,550.12x = 121,141,902.78
  5. Step 5: Solve for x
    x = 121,141,902.78/10,550.12
  6. Step 6: Final answer
    x = 11,482.51

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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.