Home / 10,835.55-14,955-7,011.90

Finding the Fourth Proportional to 10,835.55, 14,955 and 7,011.90

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Solution

The fourth proportional to 10,835.55, 14,955 and 7,011.90 is: 9,677.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,835.55 : 14,955 = 7,011.90 : x
  2. Step 2: Convert to fraction form
    10,835.55/14,955 = 7,011.90/x
  3. Step 3: Cross multiply
    10,835.55x = 14,955 × 7,011.90
  4. Step 4: Simplify right side
    10,835.55x = 104,862,964.50
  5. Step 5: Solve for x
    x = 104,862,964.50/10,835.55
  6. Step 6: Final answer
    x = 9,677.68

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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.