Home / 11,466.84-15,823.12-6,430.76

Finding the Fourth Proportional to 11,466.84, 15,823.12 and 6,430.76

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Solution

The fourth proportional to 11,466.84, 15,823.12 and 6,430.76 is: 8,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,466.84 : 15,823.12 = 6,430.76 : x
  2. Step 2: Convert to fraction form
    11,466.84/15,823.12 = 6,430.76/x
  3. Step 3: Cross multiply
    11,466.84x = 15,823.12 × 6,430.76
  4. Step 4: Simplify right side
    11,466.84x = 101,754,687.17
  5. Step 5: Solve for x
    x = 101,754,687.17/11,466.84
  6. Step 6: Final answer
    x = 8,873.82

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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.