Home / 10,037.17-13,838.70-6,445.79

Finding the Fourth Proportional to 10,037.17, 13,838.70 and 6,445.79

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Solution

The fourth proportional to 10,037.17, 13,838.70 and 6,445.79 is: 8,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,037.17 : 13,838.70 = 6,445.79 : x
  2. Step 2: Convert to fraction form
    10,037.17/13,838.70 = 6,445.79/x
  3. Step 3: Cross multiply
    10,037.17x = 13,838.70 × 6,445.79
  4. Step 4: Simplify right side
    10,037.17x = 89,201,354.07
  5. Step 5: Solve for x
    x = 89,201,354.07/10,037.17
  6. Step 6: Final answer
    x = 8,887.10

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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.