Home / 10,385.86-14,332.53-5,670.22

Finding the Fourth Proportional to 10,385.86, 14,332.53 and 5,670.22

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Solution

The fourth proportional to 10,385.86, 14,332.53 and 5,670.22 is: 7,824.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.86 : 14,332.53 = 5,670.22 : x
  2. Step 2: Convert to fraction form
    10,385.86/14,332.53 = 5,670.22/x
  3. Step 3: Cross multiply
    10,385.86x = 14,332.53 × 5,670.22
  4. Step 4: Simplify right side
    10,385.86x = 81,268,598.26
  5. Step 5: Solve for x
    x = 81,268,598.26/10,385.86
  6. Step 6: Final answer
    x = 7,824.93

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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.