Home / 11,070.74-15,275.88-6,354.11

Finding the Fourth Proportional to 11,070.74, 15,275.88 and 6,354.11

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Solution

The fourth proportional to 11,070.74, 15,275.88 and 6,354.11 is: 8,767.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.74 : 15,275.88 = 6,354.11 : x
  2. Step 2: Convert to fraction form
    11,070.74/15,275.88 = 6,354.11/x
  3. Step 3: Cross multiply
    11,070.74x = 15,275.88 × 6,354.11
  4. Step 4: Simplify right side
    11,070.74x = 97,064,545.49
  5. Step 5: Solve for x
    x = 97,064,545.49/11,070.74
  6. Step 6: Final answer
    x = 8,767.67

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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.