Home / 10,482.99-14,459.21-7,119.96

Finding the Fourth Proportional to 10,482.99, 14,459.21 and 7,119.96

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Solution

The fourth proportional to 10,482.99, 14,459.21 and 7,119.96 is: 9,820.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,482.99 : 14,459.21 = 7,119.96 : x
  2. Step 2: Convert to fraction form
    10,482.99/14,459.21 = 7,119.96/x
  3. Step 3: Cross multiply
    10,482.99x = 14,459.21 × 7,119.96
  4. Step 4: Simplify right side
    10,482.99x = 102,948,961.23
  5. Step 5: Solve for x
    x = 102,948,961.23/10,482.99
  6. Step 6: Final answer
    x = 9,820.57

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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.