Home / 7,486.32-10,340.28-5,136.24

Finding the Fourth Proportional to 7,486.32, 10,340.28 and 5,136.24

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Solution

The fourth proportional to 7,486.32, 10,340.28 and 5,136.24 is: 7,094.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.32 : 10,340.28 = 5,136.24 : x
  2. Step 2: Convert to fraction form
    7,486.32/10,340.28 = 5,136.24/x
  3. Step 3: Cross multiply
    7,486.32x = 10,340.28 × 5,136.24
  4. Step 4: Simplify right side
    7,486.32x = 53,110,159.75
  5. Step 5: Solve for x
    x = 53,110,159.75/7,486.32
  6. Step 6: Final answer
    x = 7,094.29

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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.