Home / 13,050.58-18,009.93-7,082.30

Finding the Fourth Proportional to 13,050.58, 18,009.93 and 7,082.30

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Solution

The fourth proportional to 13,050.58, 18,009.93 and 7,082.30 is: 9,773.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.58 : 18,009.93 = 7,082.30 : x
  2. Step 2: Convert to fraction form
    13,050.58/18,009.93 = 7,082.30/x
  3. Step 3: Cross multiply
    13,050.58x = 18,009.93 × 7,082.30
  4. Step 4: Simplify right side
    13,050.58x = 127,551,744.94
  5. Step 5: Solve for x
    x = 127,551,744.94/13,050.58
  6. Step 6: Final answer
    x = 9,773.65

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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.