Home / 10,330.47-14,256.09-5,614.74

Finding the Fourth Proportional to 10,330.47, 14,256.09 and 5,614.74

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Solution

The fourth proportional to 10,330.47, 14,256.09 and 5,614.74 is: 7,748.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.47 : 14,256.09 = 5,614.74 : x
  2. Step 2: Convert to fraction form
    10,330.47/14,256.09 = 5,614.74/x
  3. Step 3: Cross multiply
    10,330.47x = 14,256.09 × 5,614.74
  4. Step 4: Simplify right side
    10,330.47x = 80,044,238.77
  5. Step 5: Solve for x
    x = 80,044,238.77/10,330.47
  6. Step 6: Final answer
    x = 7,748.36

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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.