Home / 13,052.58-18,012.69-7,084.30

Finding the Fourth Proportional to 13,052.58, 18,012.69 and 7,084.30

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Solution

The fourth proportional to 13,052.58, 18,012.69 and 7,084.30 is: 9,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.58 : 18,012.69 = 7,084.30 : x
  2. Step 2: Convert to fraction form
    13,052.58/18,012.69 = 7,084.30/x
  3. Step 3: Cross multiply
    13,052.58x = 18,012.69 × 7,084.30
  4. Step 4: Simplify right side
    13,052.58x = 127,607,254.74
  5. Step 5: Solve for x
    x = 127,607,254.74/13,052.58
  6. Step 6: Final answer
    x = 9,776.40

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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.