Home / 10,957.65-15,121.71-6,242.01

Finding the Fourth Proportional to 10,957.65, 15,121.71 and 6,242.01

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Solution

The fourth proportional to 10,957.65, 15,121.71 and 6,242.01 is: 8,614.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.65 : 15,121.71 = 6,242.01 : x
  2. Step 2: Convert to fraction form
    10,957.65/15,121.71 = 6,242.01/x
  3. Step 3: Cross multiply
    10,957.65x = 15,121.71 × 6,242.01
  4. Step 4: Simplify right side
    10,957.65x = 94,389,865.04
  5. Step 5: Solve for x
    x = 94,389,865.04/10,957.65
  6. Step 6: Final answer
    x = 8,614.06

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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.