Home / 10,957.01-15,119.80-6,706.29

Finding the Fourth Proportional to 10,957.01, 15,119.80 and 6,706.29

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Solution

The fourth proportional to 10,957.01, 15,119.80 and 6,706.29 is: 9,254.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.01 : 15,119.80 = 6,706.29 : x
  2. Step 2: Convert to fraction form
    10,957.01/15,119.80 = 6,706.29/x
  3. Step 3: Cross multiply
    10,957.01x = 15,119.80 × 6,706.29
  4. Step 4: Simplify right side
    10,957.01x = 101,397,803.48
  5. Step 5: Solve for x
    x = 101,397,803.48/10,957.01
  6. Step 6: Final answer
    x = 9,254.15

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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.