Home / 10,318.16-14,239.12-5,602.48

Finding the Fourth Proportional to 10,318.16, 14,239.12 and 5,602.48

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Solution

The fourth proportional to 10,318.16, 14,239.12 and 5,602.48 is: 7,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.16 : 14,239.12 = 5,602.48 : x
  2. Step 2: Convert to fraction form
    10,318.16/14,239.12 = 5,602.48/x
  3. Step 3: Cross multiply
    10,318.16x = 14,239.12 × 5,602.48
  4. Step 4: Simplify right side
    10,318.16x = 79,774,385.02
  5. Step 5: Solve for x
    x = 79,774,385.02/10,318.16
  6. Step 6: Final answer
    x = 7,731.45

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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.