Home / 10,324.02-15,478.74-5,127.06

Finding the Fourth Proportional to 10,324.02, 15,478.74 and 5,127.06

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Solution

The fourth proportional to 10,324.02, 15,478.74 and 5,127.06 is: 7,686.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,324.02 : 15,478.74 = 5,127.06 : x
  2. Step 2: Convert to fraction form
    10,324.02/15,478.74 = 5,127.06/x
  3. Step 3: Cross multiply
    10,324.02x = 15,478.74 × 5,127.06
  4. Step 4: Simplify right side
    10,324.02x = 79,360,428.70
  5. Step 5: Solve for x
    x = 79,360,428.70/10,324.02
  6. Step 6: Final answer
    x = 7,686.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.