Home / 10,895.18-15,030.35-6,416.79

Finding the Fourth Proportional to 10,895.18, 15,030.35 and 6,416.79

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Solution

The fourth proportional to 10,895.18, 15,030.35 and 6,416.79 is: 8,852.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895.18 : 15,030.35 = 6,416.79 : x
  2. Step 2: Convert to fraction form
    10,895.18/15,030.35 = 6,416.79/x
  3. Step 3: Cross multiply
    10,895.18x = 15,030.35 × 6,416.79
  4. Step 4: Simplify right side
    10,895.18x = 96,446,578.04
  5. Step 5: Solve for x
    x = 96,446,578.04/10,895.18
  6. Step 6: Final answer
    x = 8,852.22

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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.