Home / 11,030.77-15,217.16-6,312.25

Finding the Fourth Proportional to 11,030.77, 15,217.16 and 6,312.25

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Solution

The fourth proportional to 11,030.77, 15,217.16 and 6,312.25 is: 8,707.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.77 : 15,217.16 = 6,312.25 : x
  2. Step 2: Convert to fraction form
    11,030.77/15,217.16 = 6,312.25/x
  3. Step 3: Cross multiply
    11,030.77x = 15,217.16 × 6,312.25
  4. Step 4: Simplify right side
    11,030.77x = 96,054,518.21
  5. Step 5: Solve for x
    x = 96,054,518.21/11,030.77
  6. Step 6: Final answer
    x = 8,707.87

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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.