Home / 11,307.08-15,604.54-6,271.76

Finding the Fourth Proportional to 11,307.08, 15,604.54 and 6,271.76

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Solution

The fourth proportional to 11,307.08, 15,604.54 and 6,271.76 is: 8,655.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.08 : 15,604.54 = 6,271.76 : x
  2. Step 2: Convert to fraction form
    11,307.08/15,604.54 = 6,271.76/x
  3. Step 3: Cross multiply
    11,307.08x = 15,604.54 × 6,271.76
  4. Step 4: Simplify right side
    11,307.08x = 97,867,929.79
  5. Step 5: Solve for x
    x = 97,867,929.79/11,307.08
  6. Step 6: Final answer
    x = 8,655.46

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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.