Home / 10,306.17-14,222.54-5,590.47

Finding the Fourth Proportional to 10,306.17, 14,222.54 and 5,590.47

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Solution

The fourth proportional to 10,306.17, 14,222.54 and 5,590.47 is: 7,714.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.17 : 14,222.54 = 5,590.47 : x
  2. Step 2: Convert to fraction form
    10,306.17/14,222.54 = 5,590.47/x
  3. Step 3: Cross multiply
    10,306.17x = 14,222.54 × 5,590.47
  4. Step 4: Simplify right side
    10,306.17x = 79,510,655.24
  5. Step 5: Solve for x
    x = 79,510,655.24/10,306.17
  6. Step 6: Final answer
    x = 7,714.86

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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.