Home / 10,430.17-14,393.65-5,714.45

Finding the Fourth Proportional to 10,430.17, 14,393.65 and 5,714.45

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Solution

The fourth proportional to 10,430.17, 14,393.65 and 5,714.45 is: 7,885.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.17 : 14,393.65 = 5,714.45 : x
  2. Step 2: Convert to fraction form
    10,430.17/14,393.65 = 5,714.45/x
  3. Step 3: Cross multiply
    10,430.17x = 14,393.65 × 5,714.45
  4. Step 4: Simplify right side
    10,430.17x = 82,251,793.24
  5. Step 5: Solve for x
    x = 82,251,793.24/10,430.17
  6. Step 6: Final answer
    x = 7,885.95

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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.