Home / 10,588.80-14,615.28-6,814.56

Finding the Fourth Proportional to 10,588.80, 14,615.28 and 6,814.56

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Solution

The fourth proportional to 10,588.80, 14,615.28 and 6,814.56 is: 9,405.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,588.80 : 14,615.28 = 6,814.56 : x
  2. Step 2: Convert to fraction form
    10,588.80/14,615.28 = 6,814.56/x
  3. Step 3: Cross multiply
    10,588.80x = 14,615.28 × 6,814.56
  4. Step 4: Simplify right side
    10,588.80x = 99,596,702.48
  5. Step 5: Solve for x
    x = 99,596,702.48/10,588.80
  6. Step 6: Final answer
    x = 9,405.85

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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.