Home / 10,511.28-15,774.48-6,130.08

Finding the Fourth Proportional to 10,511.28, 15,774.48 and 6,130.08

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Solution

The fourth proportional to 10,511.28, 15,774.48 and 6,130.08 is: 9,199.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511.28 : 15,774.48 = 6,130.08 : x
  2. Step 2: Convert to fraction form
    10,511.28/15,774.48 = 6,130.08/x
  3. Step 3: Cross multiply
    10,511.28x = 15,774.48 × 6,130.08
  4. Step 4: Simplify right side
    10,511.28x = 96,698,824.36
  5. Step 5: Solve for x
    x = 96,698,824.36/10,511.28
  6. Step 6: Final answer
    x = 9,199.53

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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.