Home / 13,001.18-17,946.23-7,695.99

Finding the Fourth Proportional to 13,001.18, 17,946.23 and 7,695.99

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Solution

The fourth proportional to 13,001.18, 17,946.23 and 7,695.99 is: 10,623.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.18 : 17,946.23 = 7,695.99 : x
  2. Step 2: Convert to fraction form
    13,001.18/17,946.23 = 7,695.99/x
  3. Step 3: Cross multiply
    13,001.18x = 17,946.23 × 7,695.99
  4. Step 4: Simplify right side
    13,001.18x = 138,113,968.14
  5. Step 5: Solve for x
    x = 138,113,968.14/13,001.18
  6. Step 6: Final answer
    x = 10,623.19

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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.