Home / 13,095.42-18,071.43-7,126.95

Finding the Fourth Proportional to 13,095.42, 18,071.43 and 7,126.95

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Solution

The fourth proportional to 13,095.42, 18,071.43 and 7,126.95 is: 9,835.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.42 : 18,071.43 = 7,126.95 : x
  2. Step 2: Convert to fraction form
    13,095.42/18,071.43 = 7,126.95/x
  3. Step 3: Cross multiply
    13,095.42x = 18,071.43 × 7,126.95
  4. Step 4: Simplify right side
    13,095.42x = 128,794,178.04
  5. Step 5: Solve for x
    x = 128,794,178.04/13,095.42
  6. Step 6: Final answer
    x = 9,835.06

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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.