Home / 10,663.30-14,717.40-6,417.82

Finding the Fourth Proportional to 10,663.30, 14,717.40 and 6,417.82

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Solution

The fourth proportional to 10,663.30, 14,717.40 and 6,417.82 is: 8,857.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.30 : 14,717.40 = 6,417.82 : x
  2. Step 2: Convert to fraction form
    10,663.30/14,717.40 = 6,417.82/x
  3. Step 3: Cross multiply
    10,663.30x = 14,717.40 × 6,417.82
  4. Step 4: Simplify right side
    10,663.30x = 94,453,624.07
  5. Step 5: Solve for x
    x = 94,453,624.07/10,663.30
  6. Step 6: Final answer
    x = 8,857.82

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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.