Home / 10,307.85-14,225.08-6,326.70

Finding the Fourth Proportional to 10,307.85, 14,225.08 and 6,326.70

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Solution

The fourth proportional to 10,307.85, 14,225.08 and 6,326.70 is: 8,731.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.85 : 14,225.08 = 6,326.70 : x
  2. Step 2: Convert to fraction form
    10,307.85/14,225.08 = 6,326.70/x
  3. Step 3: Cross multiply
    10,307.85x = 14,225.08 × 6,326.70
  4. Step 4: Simplify right side
    10,307.85x = 89,997,813.64
  5. Step 5: Solve for x
    x = 89,997,813.64/10,307.85
  6. Step 6: Final answer
    x = 8,731.00

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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.