Home / 13,095.56-18,071.32-7,127.24

Finding the Fourth Proportional to 13,095.56, 18,071.32 and 7,127.24

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Solution

The fourth proportional to 13,095.56, 18,071.32 and 7,127.24 is: 9,835.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.56 : 18,071.32 = 7,127.24 : x
  2. Step 2: Convert to fraction form
    13,095.56/18,071.32 = 7,127.24/x
  3. Step 3: Cross multiply
    13,095.56x = 18,071.32 × 7,127.24
  4. Step 4: Simplify right side
    13,095.56x = 128,798,634.76
  5. Step 5: Solve for x
    x = 128,798,634.76/13,095.56
  6. Step 6: Final answer
    x = 9,835.29

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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.