Home / 13,095.26-18,071.84-7,127.32

Finding the Fourth Proportional to 13,095.26, 18,071.84 and 7,127.32

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Solution

The fourth proportional to 13,095.26, 18,071.84 and 7,127.32 is: 9,835.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.26 : 18,071.84 = 7,127.32 : x
  2. Step 2: Convert to fraction form
    13,095.26/18,071.84 = 7,127.32/x
  3. Step 3: Cross multiply
    13,095.26x = 18,071.84 × 7,127.32
  4. Step 4: Simplify right side
    13,095.26x = 128,803,759.31
  5. Step 5: Solve for x
    x = 128,803,759.31/13,095.26
  6. Step 6: Final answer
    x = 9,835.91

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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.