Home / 10,417.55-14,364.77-6,636.47

Finding the Fourth Proportional to 10,417.55, 14,364.77 and 6,636.47

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Solution

The fourth proportional to 10,417.55, 14,364.77 and 6,636.47 is: 9,151.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.55 : 14,364.77 = 6,636.47 : x
  2. Step 2: Convert to fraction form
    10,417.55/14,364.77 = 6,636.47/x
  3. Step 3: Cross multiply
    10,417.55x = 14,364.77 × 6,636.47
  4. Step 4: Simplify right side
    10,417.55x = 95,331,367.89
  5. Step 5: Solve for x
    x = 95,331,367.89/10,417.55
  6. Step 6: Final answer
    x = 9,151.03

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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.