Home / 7,315.02-10,094.34-4,128.24

Finding the Fourth Proportional to 7,315.02, 10,094.34 and 4,128.24

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Solution

The fourth proportional to 7,315.02, 10,094.34 and 4,128.24 is: 5,696.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.02 : 10,094.34 = 4,128.24 : x
  2. Step 2: Convert to fraction form
    7,315.02/10,094.34 = 4,128.24/x
  3. Step 3: Cross multiply
    7,315.02x = 10,094.34 × 4,128.24
  4. Step 4: Simplify right side
    7,315.02x = 41,671,858.16
  5. Step 5: Solve for x
    x = 41,671,858.16/7,315.02
  6. Step 6: Final answer
    x = 5,696.75

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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.