Home / 10,543.07-14,561.70-7,000.13

Finding the Fourth Proportional to 10,543.07, 14,561.70 and 7,000.13

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Solution

The fourth proportional to 10,543.07, 14,561.70 and 7,000.13 is: 9,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543.07 : 14,561.70 = 7,000.13 : x
  2. Step 2: Convert to fraction form
    10,543.07/14,561.70 = 7,000.13/x
  3. Step 3: Cross multiply
    10,543.07x = 14,561.70 × 7,000.13
  4. Step 4: Simplify right side
    10,543.07x = 101,933,793.02
  5. Step 5: Solve for x
    x = 101,933,793.02/10,543.07
  6. Step 6: Final answer
    x = 9,668.32

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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.